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def BatchFreeConstOpti (progs, X, y_target, free_const_opti_args=None, y_weights = 1., # Realization related i_realization = 0, n_samples_per_dataset = None, # Mask mask = None, ...
Optimizes the free constants of each program in progs. NB: Parallel execution is typically faster. Parameters ---------- progs : vect_programs.VectPrograms Programs in the batch. X : torch.tensor of shape (n_dim, n_samples,) of float Values of the input variables of the problem ...
BatchFreeConstOpti
python
WassimTenachi/PhySO
physo/physym/batch_execute.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/batch_execute.py
MIT
def inspect_Xy (X, y): """ Runs assertions and analyzes shape of a single dataset corresponding to a single realization. Converts to torch if necessary. Parameters ---------- X : torch.tensor of shape (n_dim, data_size,) of float Values of the input variables of the problem with n_dim = ...
Runs assertions and analyzes shape of a single dataset corresponding to a single realization. Converts to torch if necessary. Parameters ---------- X : torch.tensor of shape (n_dim, data_size,) of float Values of the input variables of the problem with n_dim = nb of input variables, and dat...
inspect_Xy
python
WassimTenachi/PhySO
physo/physym/dataset.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/dataset.py
MIT
def inspect_multi_y_weights (multi_y_weights, multi_y): """ Runs assertions and analyzes shape of multi_y_weights. Converts to torch if necessary. Parameters ---------- multi_y_weights : list of len (n_realizations,) of torch.tensor of shape (?,) of float or array_like of (n_...
Runs assertions and analyzes shape of multi_y_weights. Converts to torch if necessary. Parameters ---------- multi_y_weights : list of len (n_realizations,) of torch.tensor of shape (?,) of float or array_like of (n_realizations,) of float or float, optional ...
inspect_multi_y_weights
python
WassimTenachi/PhySO
physo/physym/dataset.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/dataset.py
MIT
def __init__(self, multi_X, multi_y, multi_y_weights=1., library=None): """ Parameters ---------- multi_X : list of len (n_realizations,) of torch.tensor of shape (n_dim, ?,) of float List of X (one per realization). With X being values of the input variables of the problem w...
Parameters ---------- multi_X : list of len (n_realizations,) of torch.tensor of shape (n_dim, ?,) of float List of X (one per realization). With X being values of the input variables of the problem with n_dim = nb of input variables. multi_y : list of len (n_re...
__init__
python
WassimTenachi/PhySO
physo/physym/dataset.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/dataset.py
MIT
def assign_required_units_at_step (programs, step = None, from_scratch = False): """ Usage: computes units that will be used to update units of dummy representing next token to guess Must be able to work with coords instead of step to work so it can be used on next token to guess dummies and not - void ...
Usage: computes units that will be used to update units of dummy representing next token to guess Must be able to work with coords instead of step to work so it can be used on next token to guess dummies and not - void tokens. Parameters ---------- programs : vect_programs.VectPrograms ...
assign_required_units_at_step
python
WassimTenachi/PhySO
physo/physym/dimensional_analysis.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/dimensional_analysis.py
MIT
def assign_required_units(programs, coords,): """ Computes and assigns physical units requirements to tokens at coords, works with complete or incomplete programs (containing dummies). In certain cases, a bottom-up physical units computation and assignment is performed on whole subtrees of programs ...
Computes and assigns physical units requirements to tokens at coords, works with complete or incomplete programs (containing dummies). In certain cases, a bottom-up physical units computation and assignment is performed on whole subtrees of programs as it is necessary to compute the units constraints o...
assign_required_units
python
WassimTenachi/PhySO
physo/physym/dimensional_analysis.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/dimensional_analysis.py
MIT
def assign_units_bottom_up (programs, coords_start, coords_end): """ Performs a bottom up (in the tree representation of programs) dimensional analysis and assigns units along the way for multiple subtrees. Parameters ---------- programs : vect_programs.VectPrograms Programs on which bot...
Performs a bottom up (in the tree representation of programs) dimensional analysis and assigns units along the way for multiple subtrees. Parameters ---------- programs : vect_programs.VectPrograms Programs on which bottom up units assignment should be performed. coords_start : numpy.ar...
assign_units_bottom_up
python
WassimTenachi/PhySO
physo/physym/dimensional_analysis.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/dimensional_analysis.py
MIT
def ExecuteProgram (input_var_data, program_tokens, class_free_consts_vals=None, spe_free_consts_vals=None): """ Executes a symbolic function program. Parameters ---------- input_var_data : torch.tensor of shape (n_dim, ?,) of float Values of the input variables of the problem with n_dim = n...
Executes a symbolic function program. Parameters ---------- input_var_data : torch.tensor of shape (n_dim, ?,) of float Values of the input variables of the problem with n_dim = nb of input variables. program_tokens : list of token.Token Symbolic function program in reverse Polish n...
ExecuteProgram
python
WassimTenachi/PhySO
physo/physym/execute.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/execute.py
MIT
def ComputeInfixNotation (program_tokens): """ Computes infix str representation of a program. (which is the usual way to note symbolic function: +34 (in polish notation) = 3+4 (in infix notation)) Parameters ---------- program_tokens : list of token.Token List of tokens making up the pr...
Computes infix str representation of a program. (which is the usual way to note symbolic function: +34 (in polish notation) = 3+4 (in infix notation)) Parameters ---------- program_tokens : list of token.Token List of tokens making up the program. Returns ------- program_str : s...
ComputeInfixNotation
python
WassimTenachi/PhySO
physo/physym/execute.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/execute.py
MIT
def __init__(self, batch_size, library, n_realizations=1): """" Parameters ---------- batch_size : int Number of programs in batch. library : library.Library Library of tokens that can appear in programs. n_realizations : int Number of ...
" Parameters ---------- batch_size : int Number of programs in batch. library : library.Library Library of tokens that can appear in programs. n_realizations : int Number of realizations for each program, ie. number of datasets each program has...
__init__
python
WassimTenachi/PhySO
physo/physym/free_const.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/free_const.py
MIT
def reset_class_values (self): """ Reset class free constants values to initial values. """ init_val = self.library.class_free_constants_init_val # (n_class_free_const,) of float # Free constants values for each program as torch tensor for fast computation...
Reset class free constants values to initial values.
reset_class_values
python
WassimTenachi/PhySO
physo/physym/free_const.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/free_const.py
MIT
def reset_spe_values (self): """ Reset spe free constants values to initial values. """ # Check and pad init_val if necessary to match n_realizations (for single float init val) self.library.check_and_pad_spe_free_const_init_val (self.n_realizations) init_val = self.libra...
Reset spe free constants values to initial values.
reset_spe_values
python
WassimTenachi/PhySO
physo/physym/free_const.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/free_const.py
MIT
def detach (self): """ Detach values from computation graph and copies is_opti and opti_steps to detach them from higher level table if there is one. """ self.class_values = self.class_values.clone().detach() self.spe_values = self.spe_values .clone().detach() ...
Detach values from computation graph and copies is_opti and opti_steps to detach them from higher level table if there is one.
detach
python
WassimTenachi/PhySO
physo/physym/free_const.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/free_const.py
MIT
def get_const_of_prog (self, prog_idx): """ Return a FreeConstantsTable object with values for a single program (batch_size=1). """ res = FreeConstantsTable (batch_size=1, library=self.library, n_realizations=self.n_realizations) # Returning arrays of (1,...) to have a reference ...
Return a FreeConstantsTable object with values for a single program (batch_size=1).
get_const_of_prog
python
WassimTenachi/PhySO
physo/physym/free_const.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/free_const.py
MIT
def flatten_like_data (self, n_samples_per_dataset): """ Flattens free constants values to match flattened datasets. This is useful for computing together class free consts and spe free consts and all datasets at the same time during a single program execution. Parameters ...
Flattens free constants values to match flattened datasets. This is useful for computing together class free consts and spe free consts and all datasets at the same time during a single program execution. Parameters ---------- n_samples_per_dataset : array_like of shape ...
flatten_like_data
python
WassimTenachi/PhySO
physo/physym/free_const.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/free_const.py
MIT
def df (self): """ Return a pandas dataframe with free constants values. Returns ------- df : pandas.DataFrame Dataframe with free constants values of shape (batch_size, n_class_free_const + n_spe_free_const*n_realizations). """ # Class free const df ...
Return a pandas dataframe with free constants values. Returns ------- df : pandas.DataFrame Dataframe with free constants values of shape (batch_size, n_class_free_const + n_spe_free_const*n_realizations).
df
python
WassimTenachi/PhySO
physo/physym/free_const.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/free_const.py
MIT
def MSE_loss (func, params, y_target, y_weights = 1.): """ Loss for free constant optimization. Parameters ---------- func : callable Function which's constants should be optimized taking params as argument. params : list of torch.tensor Free constants to optimize. y_target :...
Loss for free constant optimization. Parameters ---------- func : callable Function which's constants should be optimized taking params as argument. params : list of torch.tensor Free constants to optimize. y_target : torch.tensor of shape (?,) Target output of function....
MSE_loss
python
WassimTenachi/PhySO
physo/physym/free_const.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/free_const.py
MIT
def LBFGS_optimizer (params, f, n_steps=10, tol=1e-6, lbfgs_func_args={}): """ Params optimizer (wrapper around torch.optim.LBFGS). See: https://pytorch.org/docs/stable/generated/torch.optim.LBFGS.html Parameters ---------- params : list of torch.tensor Free constants to optimize. f ...
Params optimizer (wrapper around torch.optim.LBFGS). See: https://pytorch.org/docs/stable/generated/torch.optim.LBFGS.html Parameters ---------- params : list of torch.tensor Free constants to optimize. f : callable Function to minimize, taking params as argument. n_steps : ...
LBFGS_optimizer
python
WassimTenachi/PhySO
physo/physym/free_const.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/free_const.py
MIT
def optimize_free_const (func, params, y_target, y_weights = 1., loss = "MSE", method = "LBFGS", method_args = None): """ Optimizes free constants p...
Optimizes free constants params so that func output matches y_target. Parameters ---------- func : callable Function which's constants should be optimized taking params as argument. params : list of torch.tensor Free constants to optimize. y_target : torch.tensor of shape (?,) ...
optimize_free_const
python
WassimTenachi/PhySO
physo/physym/free_const.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/free_const.py
MIT
def __init__(self, custom_tokens = None, args_make_tokens = None, superparent_units = None, superparent_name = "y"): """ Defines choosable tokens in the library. Parameters ---------- args_make_tokens : dict or None If not None, arguments are passed to tokenize.make_t...
Defines choosable tokens in the library. Parameters ---------- args_make_tokens : dict or None If not None, arguments are passed to tokenize.make_tokens and tokens are added to the library. custom_tokens : list of token.Token or None If not None, the toke...
__init__
python
WassimTenachi/PhySO
physo/physym/library.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/library.py
MIT
def check_and_pad_spe_free_const_init_val (self, n_realizations): """ Asserts that the sizes of free constants init values for each realization are consistent with the number of realizations (n_realizations) and makes the necessary padding to ensure a shape of (n_realizations,) (for sing...
Asserts that the sizes of free constants init values for each realization are consistent with the number of realizations (n_realizations) and makes the necessary padding to ensure a shape of (n_realizations,) (for single float initial values). Parameters ---------- n_rea...
check_and_pad_spe_free_const_init_val
python
WassimTenachi/PhySO
physo/physym/library.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/library.py
MIT
def assert_units(self): """ Checks if all terminal tokens (arity = 0) have units constraints ie if units constraints can be computed. Tokens in library come from various units assignments processes (from make_tokens : operation definition in functions.py, input_var_units dict, constants_...
Checks if all terminal tokens (arity = 0) have units constraints ie if units constraints can be computed. Tokens in library come from various units assignments processes (from make_tokens : operation definition in functions.py, input_var_units dict, constants_units dict ; from custom tokens ; s...
assert_units
python
WassimTenachi/PhySO
physo/physym/library.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/library.py
MIT
def __init__(self, library, programs): """ Parameters ---------- library : library.Library Library of choosable tokens. programs : vect_programs.VectPrograms Programs in the batch. """ self.lib = library self.progs = progr...
Parameters ---------- library : library.Library Library of choosable tokens. programs : vect_programs.VectPrograms Programs in the batch.
__init__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __init__(self, library, programs): """ Parameters ---------- library : library.Library programs : vect_programs.VectPrograms """ Prior.__init__(self, library, programs) # Number of tokens per arity # Sum of tokens having arity = idx on choosabl...
Parameters ---------- library : library.Library programs : vect_programs.VectPrograms
__init__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __init__(self, library, programs, min_length, max_length): """ Parameters ---------- library : library.Library programs : vect_programs.VectPrograms min_length : float Minimum length that programs are allowed to have. max_length : float ...
Parameters ---------- library : library.Library programs : vect_programs.VectPrograms min_length : float Minimum length that programs are allowed to have. max_length : float Maximum length that programs are allowed to have.
__init__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __init__(self, library, programs, effectors, relationship, targets, max_nb_violations = None): """ Enforcing that [targets] cannot be the [relationship] of [effectors]. Parameters ---------- library : library.Library programs : vect_programs.VectPrograms effec...
Enforcing that [targets] cannot be the [relationship] of [effectors]. Parameters ---------- library : library.Library programs : vect_programs.VectPrograms effectors : list of str List of effector tokens' name. relationship : str Relations...
__init__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __init__(self, library, programs,): """ Enforcing functions are not child of their inverse function. Parameters ---------- library : library.Library programs : vect_programs.VectPrograms """ Prior.__init__(self, library, programs) # Considerin...
Enforcing functions are not child of their inverse function. Parameters ---------- library : library.Library programs : vect_programs.VectPrograms
__init__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __init__(self, library, programs, functions, max_nesting = 1): """ Enforcing that [functions] can not be nested or only up to max_nesting level. Parameters ---------- library : library.Library programs : vect_programs.VectPrograms functions : list of str ...
Enforcing that [functions] can not be nested or only up to max_nesting level. Parameters ---------- library : library.Library programs : vect_programs.VectPrograms functions : list of str List of tokens' names which's nesting will be forbidden. max_ne...
__init__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __init__(self, library, programs, max_nesting = 1): """ Enforcing that trigonometric functions can not be nested or only up to max_nesting level. Parameters ---------- library : library.Library programs : vect_programs.VectPrograms max_nesting : int ...
Enforcing that trigonometric functions can not be nested or only up to max_nesting level. Parameters ---------- library : library.Library programs : vect_programs.VectPrograms max_nesting : int Max level of nesting allowed. By default = 1, no nesting allowed....
__init__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __init__(self, library, programs, targets, max): """ Parameters ---------- library : library.Library programs : vect_programs.VectPrograms targets : list of str List of tokens' names which's number of occurrences should be constrained. max : list o...
Parameters ---------- library : library.Library programs : vect_programs.VectPrograms targets : list of str List of tokens' names which's number of occurrences should be constrained. max : list of int List of maximum occurrences of tokens (must ha...
__init__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __init__(self, library, programs, expression): """ Parameters ---------- library : library.Library programs : vect_programs.VectPrograms expression : list of str List of tokens to enforce. expression may contain library.invalid.name (ie. Tok.INVALID_TOKEN_...
Parameters ---------- library : library.Library programs : vect_programs.VectPrograms expression : list of str List of tokens to enforce. expression may contain library.invalid.name (ie. Tok.INVALID_TOKEN_NAME) in which case all tokens are allowed. All to...
__init__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __init__(self, library, programs, prob_eps = 0.): """ Parameters ---------- library : library.Library programs : vect_programs.VectPrograms prob_eps : float Value to return for the prior inplace of zeros (useful for avoiding sampling problems) """ ...
Parameters ---------- library : library.Library programs : vect_programs.VectPrograms prob_eps : float Value to return for the prior inplace of zeros (useful for avoiding sampling problems)
__init__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def make_PriorCollection (library, programs, priors_config,): """ Makes PriorCollection object from arguments. Parameters ---------- library : library.Library Library of choosable tokens. programs : vect_programs.VectPrograms Programs in the batch. priors_config : list of cou...
Makes PriorCollection object from arguments. Parameters ---------- library : library.Library Library of choosable tokens. programs : vect_programs.VectPrograms Programs in the batch. priors_config : list of couples (str : dict) List of priors. List containing couples wit...
make_PriorCollection
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __call__(self): """ Returns probabilities of priors for each choosable token in the library. Returns ------- mask_probabilities : numpy.array of shape (self.progs.batch_size, self.lib.n_choices) of float """ res = self.init_prob for prior in self.prior...
Returns probabilities of priors for each choosable token in the library. Returns ------- mask_probabilities : numpy.array of shape (self.progs.batch_size, self.lib.n_choices) of float
__call__
python
WassimTenachi/PhySO
physo/physym/prior.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/prior.py
MIT
def __init__(self, programs, prog_idx=0, pos=0): """ See class documentation. Parameters ---------- programs : vect_programs.VectPrograms prog_idx : int pos : int """ self.programs = programs self.prog_idx = prog_idx self.pos =...
See class documentation. Parameters ---------- programs : vect_programs.VectPrograms prog_idx : int pos : int
__init__
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def child(self, i_child = 0): """ See class documentation. Parameters ---------- i_child : int Returns ------- self : program.Cursor """ has_relative = self.programs.tokens.has_children_mask[tuple(self.coords)][0] if not has_rel...
See class documentation. Parameters ---------- i_child : int Returns ------- self : program.Cursor
child
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def sibling(self, i_sibling = 0): """ See class documentation. Parameters ---------- i_sibling : int Returns ------- self : program.Cursor """ has_relative = self.programs.tokens.has_siblings_mask[tuple(self.coords)][0] if not has_r...
See class documentation. Parameters ---------- i_sibling : int Returns ------- self : program.Cursor
sibling
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def parent(self,): """ See class documentation. Returns ------- self : program.Cursor """ has_relative = self.programs.tokens.has_parent_mask[tuple(self.coords)][0] if not has_relative: err_msg = "Unable to navigate to parent, Token %s at pos =...
See class documentation. Returns ------- self : program.Cursor
parent
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def __init__(self, tokens, library, free_consts = None, is_physical = None, candidate_wrapper = None, n_realizations=1): """ Parameters ---------- See attributes help for details. """ # Asserting that tokens make up a full tree representation, no more, no less tot...
Parameters ---------- See attributes help for details.
__init__
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def execute_wo_wrapper(self, X, i_realization = 0, n_samples_per_dataset = None): """ Executes program on X. Parameters ---------- X : torch.tensor of shape (n_dim, ?,) of float Values of the input variables of the problem with n_dim = nb of input variables, ? = numbe...
Executes program on X. Parameters ---------- X : torch.tensor of shape (n_dim, ?,) of float Values of the input variables of the problem with n_dim = nb of input variables, ? = number of samples. i_realization : int, optional Index of realization to use f...
execute_wo_wrapper
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def optimize_constants(self, X, y_target, y_weights = 1., i_realization = 0, n_samples_per_dataset = None, args_opti = None, freeze_class_free_consts = False): """ Optimizes free constants of program. Parameters ---------- X : torch.tensor of shape (n_dim, ?,) of float ...
Optimizes free constants of program. Parameters ---------- X : torch.tensor of shape (n_dim, ?,) of float Values of the input variables of the problem with n_dim = nb of input variables, ? = number of samples. y_target : torch.tensor of shape (?,) of float ...
optimize_constants
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def make_skeleton (self): """ Strips program to its bare minimum light pickable version for eg. parallel execution purposes. """ # Exporting without library so it is lighter to pickle self.library = None self.free_consts.library = None return None
Strips program to its bare minimum light pickable version for eg. parallel execution purposes.
make_skeleton
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def get_sympy_local_dicts (self, replace_nan_with = 1.): """ Returns a list of local dicts for each realization of the program to replace free constants by their values in sympy symbolic representation of the program. Parameters ---------- replace_nan_with : float, option...
Returns a list of local dicts for each realization of the program to replace free constants by their values in sympy symbolic representation of the program. Parameters ---------- replace_nan_with : float, optional Value to replace NaNs with in free constants values. ...
get_sympy_local_dicts
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def get_infix_sympy (self, do_simplify = False, evaluate_consts = False, replace_nan_with = 1.): """ Returns sympy symbolic representation of a program. Parameters ---------- do_simplify : bool, optional If True performs a symbolic simplification of program. e...
Returns sympy symbolic representation of a program. Parameters ---------- do_simplify : bool, optional If True performs a symbolic simplification of program. evaluate_consts : bool, optional If True replaces free constants by their values in the sympy sym...
get_infix_sympy
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def get_infix_pretty (self, do_simplify = False): """ Returns a printable ASCII sympy.pretty representation of a program. Parameters ---------- do_simplify : bool If True performs a symbolic simplification of program. Returns ------- program_pr...
Returns a printable ASCII sympy.pretty representation of a program. Parameters ---------- do_simplify : bool If True performs a symbolic simplification of program. Returns ------- program_pretty_str : str
get_infix_pretty
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def get_infix_latex (self,replace_dummy_symbol = True, new_dummy_symbol = "?", do_simplify = True): """ Returns an str latex representation of a program. Parameters ---------- replace_dummy_symbol : bool If True, dummy symbol is replaced by new_dummy_symbol. n...
Returns an str latex representation of a program. Parameters ---------- replace_dummy_symbol : bool If True, dummy symbol is replaced by new_dummy_symbol. new_dummy_symbol : str or None Replaces dummy symbol if replace_dummy_symbol is True. do_sim...
get_infix_latex
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def get_infix_fig (self, replace_dummy_symbol = True, new_dummy_symbol = "?", do_simplify = True, show_superparent_at_beginning = True, text_size = 16, text_pos = (0.0, 0.5), ...
Returns pyplot (figure, axis) containing analytic symbolic function program. Parameters ---------- replace_dummy_symbol : bool If True, dummy symbol is replaced by new_dummy_symbol. new_dummy_symbol : str or None Replaces dummy symbol if replace_dummy_sym...
get_infix_fig
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def get_infix_image(self, replace_dummy_symbol = True, new_dummy_symbol = "?", do_simplify = True, text_size = 16, text_pos = (0.0, 0.5), figsize = (8, 2), ...
Returns image containing analytic symbolic function program. Parameters ---------- replace_dummy_symbol : bool If True, dummy symbol is replaced by new_dummy_symbol. new_dummy_symbol : str or None Replaces dummy symbol if replace_dummy_symbol is True. ...
get_infix_image
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def show_infix(self, replace_dummy_symbol = True, new_dummy_symbol = "?", do_simplify = False, text_size=24, text_pos=(0.0, 0.5), figsize=(10, 1), ): """ Shows pyplot (fig...
Shows pyplot (figure, axis) containing analytic symbolic function program. Parameters ---------- replace_dummy_symbol : bool If True, dummy symbol is replaced by new_dummy_symbol. new_dummy_symbol : str or None Replaces dummy symbol if replace_dummy_symbo...
show_infix
python
WassimTenachi/PhySO
physo/physym/program.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/program.py
MIT
def SquashedNRMSE (y_target, y_pred, y_weights = 1.): """ Squashed NRMSE reward. Parameters ---------- y_target : torch.tensor of shape (?,) of float Target output data. y_pred : torch.tensor of shape (?,) of float Predicted data. y_weights : torch.tensor of shape (?,) of f...
Squashed NRMSE reward. Parameters ---------- y_target : torch.tensor of shape (?,) of float Target output data. y_pred : torch.tensor of shape (?,) of float Predicted data. y_weights : torch.tensor of shape (?,) of float, optional Weights for each data point. By defaul...
SquashedNRMSE
python
WassimTenachi/PhySO
physo/physym/reward.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/reward.py
MIT
def RewardsComputer(programs, X, y_target, n_samples_per_dataset, y_weights = 1., free_const_opti_args = None, reward_function = SquashedNRMSE, zero_out_unphysical = False, ...
Computes rewards of programs on X data accordingly with target y_target and reward reward_function using torch for acceleration. Parameters ---------- programs : Program.VectProgram Programs contained in batch to evaluate. X : torch.tensor of shape (n_dim, ?,) of float Values of...
RewardsComputer
python
WassimTenachi/PhySO
physo/physym/reward.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/reward.py
MIT
def make_RewardsComputer(reward_function = SquashedNRMSE, zero_out_unphysical = False, zero_out_duplicates = False, keep_lowest_complexity_duplicate = False, # Parallel related parallel_mode ...
Helper function to make custom reward computing function. Parameters ---------- reward_function : callable Function that taking y_target (torch.tensor of shape (?,) of float), y_pred (torch.tensor of shape (?,) of float) and optionally y_weights (torch.tensor of shape (?,) of float, o...
make_RewardsComputer
python
WassimTenachi/PhySO
physo/physym/reward.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/reward.py
MIT
def __init__(self, # ---- Token representation ---- name, sympy_repr, # ---- Token main properties ---- arity, complexity = DEFAULT_COMPLEXITY, var_type = 0, # Function specific ...
Note: __init__ accepts None for some parameters for ease of use which are then converted to the right value and type as attributes. Parameters ---------- name : str A short name for the token (eg. 'add' for addition). sympy_repr : str Sympy repres...
__init__
python
WassimTenachi/PhySO
physo/physym/token.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/token.py
MIT
def __init__(self, shape, invalid_token_idx): """ Parameters ---------- shape : (int, int) Shape of the matrix. invalid_token_idx : int Index of the invalid token in the library of tokens. """ # -------------------------------------------...
Parameters ---------- shape : (int, int) Shape of the matrix. invalid_token_idx : int Index of the invalid token in the library of tokens.
__init__
python
WassimTenachi/PhySO
physo/physym/token.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/token.py
MIT
def retrieve_complexity(complexity_dict, curr_name): """ Helper function to safely retrieve complexity of token named curr_name from a dictionary of complexities (complexity_dict). Parameters ---------- complexity_dict : dict of {str : float} or None If dictionary is None or empty, retur...
Helper function to safely retrieve complexity of token named curr_name from a dictionary of complexities (complexity_dict). Parameters ---------- complexity_dict : dict of {str : float} or None If dictionary is None or empty, returns token.DEFAULT_COMPLEXITY. curr_name : str If ...
retrieve_complexity
python
WassimTenachi/PhySO
physo/physym/tokenize.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/tokenize.py
MIT
def retrieve_init_val (init_val_dict, curr_name): """ Helper function to safely retrieve value of token named curr_name from a dictionary of initial values. (init_val_dict). Parameters ---------- init_val_dict : dict of {str : float or array_like of floats} or None If dictionary is None ...
Helper function to safely retrieve value of token named curr_name from a dictionary of initial values. (init_val_dict). Parameters ---------- init_val_dict : dict of {str : float or array_like of floats} or None If dictionary is None or empty, returns token.DEFAULT_FREE_CONST_INIT_VAL. ...
retrieve_init_val
python
WassimTenachi/PhySO
physo/physym/tokenize.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/tokenize.py
MIT
def retrieve_units(units_dict, curr_name): """ Helper function to safely retrieve units of token named curr_name from a dictionary of units (units_dict). Parameters ---------- units_dict : dict of {str : array_like} or None If dictionary is None or empty, returned curr_is_constraining_phy_un...
Helper function to safely retrieve units of token named curr_name from a dictionary of units (units_dict). Parameters ---------- units_dict : dict of {str : array_like} or None If dictionary is None or empty, returned curr_is_constraining_phy_units is False and curr_phy_units is None. (...
retrieve_units
python
WassimTenachi/PhySO
physo/physym/tokenize.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/tokenize.py
MIT
def make_tokens( # operations op_names = "all", use_protected_ops = False, # input variables input_var_ids = None, input_var_units = None, input_var_complexity = None, ...
Makes a list of tokens for a run based on a list of operation names, input variables ids and constants values. Parameters ---------- -------- Operations (eg. add, mul, cos, exp) -------- op_names : list of str or str, optional List of names of operations that will b...
make_tokens
python
WassimTenachi/PhySO
physo/physym/tokenize.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/tokenize.py
MIT
def __init__(self, batch_size, max_time_step, library, candidate_wrapper=None, n_realizations=None): """ Parameters ---------- batch_size : int Number of programs in batch. max_time_step : int Max number of tokens programs can contain. library : li...
Parameters ---------- batch_size : int Number of programs in batch. max_time_step : int Max number of tokens programs can contain. library : library.Library Library of tokens that can appear in programs. candidate_wrapper : callable or...
__init__
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def lib (self, attr): """ Gives access to vectorized properties of tokens in library without having to use [0, :] (as batch_size = 1 in vectorized properties of library). Parameters ---------- attr : str Attribute of library vectorized properties to access. ...
Gives access to vectorized properties of tokens in library without having to use [0, :] (as batch_size = 1 in vectorized properties of library). Parameters ---------- attr : str Attribute of library vectorized properties to access. Returns ------- ...
lib
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def append (self, new_tokens_idx, forbid_inconsistent_units = False): """ Appends new tokens to batch. New tokens appended to already complete programs (ie. out of tree tokens) are ignored. Note that units requirements and update is not done in append (as it is computationally costly and...
Appends new tokens to batch. New tokens appended to already complete programs (ie. out of tree tokens) are ignored. Note that units requirements and update is not done in append (as it is computationally costly and unnecessary if units are not used). Use the assign_required_units method...
append
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def set_programs (self, tokens_idx, forbid_inconsistent_units = False): """ Sets all programs in batch by appending tokens_idx step by step. Parameters ---------- tokens_idx : numpy.array of shape (batch_size, int <= max_time_step) of int Index of tokens making up pro...
Sets all programs in batch by appending tokens_idx step by step. Parameters ---------- tokens_idx : numpy.array of shape (batch_size, int <= max_time_step) of int Index of tokens making up programs in the library. If programs have different shapes, tokens_idx mus...
set_programs
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def assign_required_units (self, step = None, ignore_unphysical = True,): """ Runs required units assignment routine (assign_required_units) on programs at step. Parameters ---------- step : int or None Required units assignment routine is run on tokens at step. By de...
Runs required units assignment routine (assign_required_units) on programs at step. Parameters ---------- step : int or None Required units assignment routine is run on tokens at step. By default, step = current step. ignore_unphysical : bool Should routi...
assign_required_units
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def mask_to_coords (self, mask): """ Helper function returning coordinates where mask is True. Parameters ---------- mask : numpy.array of shape (batch_size, max_time_step) of bool Mask. Returns ------- mask_sum, coordinates : int, numpy.array ...
Helper function returning coordinates where mask is True. Parameters ---------- mask : numpy.array of shape (batch_size, max_time_step) of bool Mask. Returns ------- mask_sum, coordinates : int, numpy.array of shape (2, mask_sum) of int Nu...
mask_to_coords
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def coords_to_mask (self, coords): """ Helper function returning mask of batch shape (batch_size, max_time_step,) containing True at coords. Parameters ---------- coords : numpy.array of shape (2, ?) of int Coordinates where mask should be True Returns ...
Helper function returning mask of batch shape (batch_size, max_time_step,) containing True at coords. Parameters ---------- coords : numpy.array of shape (2, ?) of int Coordinates where mask should be True Returns ------- mask : numpy.array of shape (...
coords_to_mask
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def coords_of_step (self, step): """ Helper method returning the tuple of coordinates corresponding to a step. Parameters ---------- step : int Step. Returns ------- coords : numpy.array of shape (2, batch_size,) of int Coordinates,...
Helper method returning the tuple of coordinates corresponding to a step. Parameters ---------- step : int Step. Returns ------- coords : numpy.array of shape (2, batch_size,) of int Coordinates, 0th array in batch dim and 1th array in tim...
coords_of_step
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_parent (self, coords): """ Get parent's coordinates of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. Returns ------- parent_coords...
Get parent's coordinates of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. Returns ------- parent_coords : numpy.array of shape (2, ?) of int ...
get_parent
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_siblings (self, coords): """ Get siblings' coordinates of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. Returns ------- siblings_c...
Get siblings' coordinates of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. Returns ------- siblings_coords : numpy.array of shape (1 + Tok.MAX_NB...
get_siblings
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_children (self, coords): """ Get children's coordinates of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. Returns ------- children_...
Get children's coordinates of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. Returns ------- children_coords : numpy.array of shape (1 + Tok.MAX_N...
get_children
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_ancestors (self, coords): """ Get ancestors' coordinates of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. Returns ------- ancestor...
Get ancestors' coordinates of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. Returns ------- ancestors_coords : numpy.array of shape (1 + max_time...
get_ancestors
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_parent_idx(self, coords, no_parent_idx_filler=None): """ Get parents idx of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?,) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. no_parent_idx_filler : ...
Get parents idx of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?,) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. no_parent_idx_filler : int Fill value to return where tokens have no parent. ...
get_parent_idx
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_sibling_idx(self, coords, no_sibling_idx_filler=None): """ Get siblings idx of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?,) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. no_sibling_idx_fille...
Get siblings idx of tokens at coords. Parameters ---------- coords : numpy.array of shape (2, ?,) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. no_sibling_idx_filler : int Fill value to return where tokens have no sibling. ...
get_sibling_idx
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_ancestors_idx(self, coords, no_ancestor_idx_filler=None): """ Get ancestors idx of tokens at step. Parameters ---------- coords : numpy.array of shape (2, ?,) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. no_ancestor_idx_fi...
Get ancestors idx of tokens at step. Parameters ---------- coords : numpy.array of shape (2, ?,) of int Coords of tokens, 0th array in batch dim and 1th array in time dim. no_ancestor_idx_filler : int Fill value to return where tokens have no ancestors an...
get_ancestors_idx
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_parent_idx_of_step(self, step=None, no_parent_idx_filler=None): """ Get parents idx of tokens at step. Parameters ---------- step : int Step of token from which parent idx should be returned. By default, step = current step no_parent_idx_fi...
Get parents idx of tokens at step. Parameters ---------- step : int Step of token from which parent idx should be returned. By default, step = current step no_parent_idx_filler : int Fill value to return where tokens have no parent. Re...
get_parent_idx_of_step
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_sibling_idx_of_step(self, step=None, no_sibling_idx_filler=None): """ Get siblings idx of tokens at step. Parameters ---------- step : int Step of token from which sibling idx should be returned. By default, step = current step no_sibling_i...
Get siblings idx of tokens at step. Parameters ---------- step : int Step of token from which sibling idx should be returned. By default, step = current step no_sibling_idx_filler : int Fill value to return where tokens have no sibling. ...
get_sibling_idx_of_step
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_ancestors_idx_of_step(self, step=None, no_ancestor_idx_filler=None): """ Get ancestors idx of tokens at step. Parameters ---------- step : int Step of token from which ancestors idx should be returned. By default, step = current step no_anc...
Get ancestors idx of tokens at step. Parameters ---------- step : int Step of token from which ancestors idx should be returned. By default, step = current step no_ancestor_idx_filler : int Fill value to return where tokens have no ancestors a...
get_ancestors_idx_of_step
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def count_tokens_idx (self, tokens_idx): """ Creates a library size vector containing count of token idx (along ?1 dim) in tokens_idx for each line of tokens_idx. Eg: [ [2, 2, 1, 2, 5], [1, 1, 1, 0, 4] ] -> [0,1,3,0,0,1] [1,3,0,0,1,0] assuming n_library = 5. Parameters ----------...
Creates a library size vector containing count of token idx (along ?1 dim) in tokens_idx for each line of tokens_idx. Eg: [ [2, 2, 1, 2, 5], [1, 1, 1, 0, 4] ] -> [0,1,3,0,0,1] [1,3,0,0,1,0] assuming n_library = 5. Parameters ---------- tokens_idx : numpy.array of shape (?, ?1) o...
count_tokens_idx
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_property_of_relative(self, coords, relative, attr): """ Returns the attribute (eg. phy_units, arity etc.) of the [relative] of tokens at coords. Fills with default value of attribute in VectTokens where tokens at coords do not have [relative]. Parameters ---------- ...
Returns the attribute (eg. phy_units, arity etc.) of the [relative] of tokens at coords. Fills with default value of attribute in VectTokens where tokens at coords do not have [relative]. Parameters ---------- coords : numpy.array of shape (2, ?,) of int Coords of to...
get_property_of_relative
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def set_parent(self, coords_dest, has_mask, pos_val): """ Sets parent properties of tokens of coordinates coords_dest with new values given in args. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set property, 0th array in batch...
Sets parent properties of tokens of coordinates coords_dest with new values given in args. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set property, 0th array in batch dim and 1th array in time dim. has_mask : numpy.array of...
set_parent
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def set_children(self, coords_dest, has_mask, pos_val, nb): """ Sets children properties of tokens of coordinates coords_dest with new values given in args. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set property, 0th array ...
Sets children properties of tokens of coordinates coords_dest with new values given in args. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set property, 0th array in batch dim and 1th array in time dim. has_mask : numpy.array ...
set_children
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def set_siblings(self, coords_dest, has_mask, pos_val, nb): """ Sets siblings properties of tokens of coordinates coords_dest with new values given in args. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set property, 0th array ...
Sets siblings properties of tokens of coordinates coords_dest with new values given in args. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set property, 0th array in batch dim and 1th array in time dim. has_mask : numpy.array ...
set_siblings
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def set_ancestors(self, coords_dest, has_mask, pos_val, nb): """ Sets ancestors properties of tokens of coordinates coords_dest with new values given in args. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set property, 0th arra...
Sets ancestors properties of tokens of coordinates coords_dest with new values given in args. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set property, 0th array in batch dim and 1th array in time dim. has_mask : numpy.array...
set_ancestors
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def register_ancestor(self, coords_dest, ): """ Registers tokens located at coords_dest in their own ancestor records (as a token counts as its own ancestor) and updates the number of ancestors. Depths must be up-to-date for this function to perform correctly. Parameters --------...
Registers tokens located at coords_dest in their own ancestor records (as a token counts as its own ancestor) and updates the number of ancestors. Depths must be up-to-date for this function to perform correctly. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of...
register_ancestor
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def set_units (self, coords_dest, new_is_constraining_phy_units, new_phy_units): """ Sets units properties of tokens of coordinates coords_dest with new values given in args. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set ne...
Sets units properties of tokens of coordinates coords_dest with new values given in args. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set new tokens, 0th array in batch dim and 1th array in time dim. new_is_constraining_phy_...
set_units
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def set_static_units_from_idx (self, coords_dest, tokens_idx_src): """ Sets units properties of tokens at coords_dest from units of tokens tokens_idx_src as given in the library. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to se...
Sets units properties of tokens at coords_dest from units of tokens tokens_idx_src as given in the library. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set new tokens, 0th array in batch dim and 1th array in time dim. tokens...
set_static_units_from_idx
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def set_non_positional_from_idx (self, coords_dest, tokens_idx_src): """ Sets non_positional properties and index of new tokens as given in the library. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set new tokens, 0th array in...
Sets non_positional properties and index of new tokens as given in the library. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to set new tokens, 0th array in batch dim and 1th array in time dim. tokens_idx_src : numpy.array of sh...
set_non_positional_from_idx
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def move_dummies (self, coords_src, coords_dest, do_update_relationships_pos = True, do_fill_with_void = True): """ Moves dummies from coords_src to coords_dest. ! This function only works for dummies placed as placeholders that are completing programs. ! -> Does not work for moved ...
Moves dummies from coords_src to coords_dest. ! This function only works for dummies placed as placeholders that are completing programs. ! -> Does not work for moved tokens that have sibling relationships to each others and does not update dummies' children nor their ances...
move_dummies
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def update_relationships_pos_of_moved_tokens (coords_b_move, coords_a_move): """ Updates position of dummy tokens that were moved in other tokens corresponding to family relationships (parent, siblings). ! This function only works for dummies placed as placeholders that a...
Updates position of dummy tokens that were moved in other tokens corresponding to family relationships (parent, siblings). ! This function only works for dummies placed as placeholders that are completing programs. ! -> Does not work for moved tokens that have sibli...
update_relationships_pos_of_moved_tokens
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def fill_with_void(self, coords_dest): """ Helper function that fills coords_dest with void invalid token. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to fill with void, 0th array in batch dim and 1th array in time dim. ...
Helper function that fills coords_dest with void invalid token. Parameters ---------- coords_dest : numpy.array of shape (2, ?) of int Coords where to fill with void, 0th array in batch dim and 1th array in time dim.
fill_with_void
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def compute_sum_arities(self, step=0): """ Computes total arities of programs along time dim from step = 0 to step = step. Parameters ---------- step : int Step where to end summation. Returns ------- sum : numpy.array of shape (batch_size,) of...
Computes total arities of programs along time dim from step = 0 to step = step. Parameters ---------- step : int Step where to end summation. Returns ------- sum : numpy.array of shape (batch_size,) of int Sum along time dim of size (batch...
compute_sum_arities
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def n_completed(self): """ Lengths of programs when completed by dummies. Returns ------- completed_lengths : numpy.array of shape (batch_size,) of int """ # Computes length when completed by dummies. return self.n_lengths + self.n_dummies # (batch_size,)...
Lengths of programs when completed by dummies. Returns ------- completed_lengths : numpy.array of shape (batch_size,) of int
n_completed
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def n_complexity(self): """ Complexities of programs. Returns ------- complexity : numpy.array of shape (batch_size,) of int """ # Summing over time dim return self.tokens.complexity.sum(axis=1) # (batch_size,) of int
Complexities of programs. Returns ------- complexity : numpy.array of shape (batch_size,) of int
n_complexity
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def n_free_const_occurrences(self): """ Number of occurrences of free const in programs. This is to know if we should bother running the optimization process. Returns ------- occurrences : numpy.array of shape (batch_size,) of int """ is_free_const = ((sel...
Number of occurrences of free const in programs. This is to know if we should bother running the optimization process. Returns ------- occurrences : numpy.array of shape (batch_size,) of int
n_free_const_occurrences
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_prog_tokens(self, prog_idx=0): """ Returns a list of tokens representing a single program of idx = prog_idx. Discards void tokens beyond program length. Parameters ---------- prog_idx : int Index of program in batch. Returns ------- ...
Returns a list of tokens representing a single program of idx = prog_idx. Discards void tokens beyond program length. Parameters ---------- prog_idx : int Index of program in batch. Returns ------- tokens : numpy.array of token.Token ...
get_prog_tokens
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_prog(self, prog_idx=0, skeleton = False, detach = False): """ Returns a Program object of program of idx = prog_idx in batch. Discards void tokens beyond program length. Parameters ---------- prog_idx : int Index of program in batch. skeleton :...
Returns a Program object of program of idx = prog_idx in batch. Discards void tokens beyond program length. Parameters ---------- prog_idx : int Index of program in batch. skeleton : bool Only exports the bare minimum pickable version of the progr...
get_prog
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def batch_exe_reduce_gather (self, X, reduce_wrapper, # Realization related i_realization = 0, n_samples_per_dataset = None, # Mask mask = None, ...
Executes prog(X) for each prog in progs and gathers reduce_wrapper(prog(X)) as a result. NB: Parallel execution is typically slower because of communication time (even just gathering a float). Parameters ---------- X : torch.tensor of shape (n_dim, n_samples,) of float ...
batch_exe_reduce_gather
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def batch_exe_reward (self, X, y_target, reward_function, y_weights = 1., # Realization related i_realization = 0, n_samples_per_dataset = None, # Mask ...
Executes prog(X) for each prog in progs and gathers reward_function(y_target, prog(X), y_weights) as a result. NB: Parallel execution is typically slower because of communication time (even just gathering a float). Parameters ---------- X : torch.tensor of shape (n_dim, n_sample...
batch_exe_reward
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def batch_optimize_constants (self, X, y_target, free_const_opti_args=None, y_weights = 1., # Realization related i_realization = 0, n_samples_per_dataset = None, # Mask ...
Optimizes the free constants of each program in progs. NB: Parallel execution is typically faster. Parameters ---------- X : torch.tensor of shape (n_dim, n_samples,) of float Values of the input variables of the problem with n_dim = nb of input variables. y_...
batch_optimize_constants
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_infix_str (self, prog_idx = 0): """ Computes infix str representation of a program. (which is the usual way to note symbolic function: +34 (in polish notation) = 3+4 (in infix notation)) Parameters ---------- prog_idx : int Index of program in VectProg...
Computes infix str representation of a program. (which is the usual way to note symbolic function: +34 (in polish notation) = 3+4 (in infix notation)) Parameters ---------- prog_idx : int Index of program in VectPrograms. Returns ------- progr...
get_infix_str
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT
def get_infix_sympy (self, prog_idx = 0, do_simplify = True): """ Returns sympy symbolic representation of a program. Parameters ---------- prog_idx : int Index of program in VectPrograms. do_simplify : bool If True performs a symbolic simplificati...
Returns sympy symbolic representation of a program. Parameters ---------- prog_idx : int Index of program in VectPrograms. do_simplify : bool If True performs a symbolic simplification of program. Returns ------- program_sympy : sy...
get_infix_sympy
python
WassimTenachi/PhySO
physo/physym/vect_programs.py
https://github.com/WassimTenachi/PhySO/blob/master/physo/physym/vect_programs.py
MIT