text stringlengths 1 1.11k | source dict |
|---|---|
up factorials in some tables. of a positive integer n is defined as: This calculator computes factorial, then its approximation using Stirling's formula. Stirling formula. Stirling Approximation or Stirling Interpolation Formula is an interpolation technique, which is used to obtain the value of a function at an interm... | {
"domain": "poscotso.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9732407191430024,
"lm_q1q2_score": 0.8172632925378841,
"lm_q2_score": 0.8397339696776499,
"openwebmath_perplexity": 621.689838780578,
"openwebmath_score": 0.8918437957763672,
"tags": nu... |
binary, base-conversion, numeral-representations
We can see that this is a representation of $n$ in base $B$ i.e. base $b^k$, with $c$ digits.
$n = (p_{c-1},p_{c-2},\space ... \space, p_1,p_0)$.
For the above to a valid representation in base $B$, $\forall i:\space0 \le p_i \lt B$
We can verify this by finding the max... | {
"domain": "cs.stackexchange",
"id": 14563,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "binary, base-conversion, numeral-representations",
"url": null
} |
# Factoring polynomial with complex coefficients
Given the equation $z^2+4iz-13=0$, solve for $z$ without the quadratic formula.
In real numbers set, when I find this kind of equations I usually complete the perfect square trinomial.In this case:
$(z^2+4iz-4)-13+4=0$
$(z+2i)^2-9=0$
I chosen $-4$ because the number... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.971129092218133,
"lm_q1q2_score": 0.8292595129970958,
"lm_q2_score": 0.8539127492339909,
"openwebmath_perplexity": 367.8340172127104,
"openwebmath_score": 0.9212567210197449,
"tags... |
evolution, theoretical-biology, population-dynamics, population-genetics, population-biology
Taking $\frac{d-1}{\bar F_{ST}}$ out of the ratio, the variance of $F_{ST}$ becomes
$$var(F_{ST})=\left(\frac{d-1}{\bar F_{ST}}\right)^2(2d-2)$$
, which simplifies into
$$var(F_{ST}) = \frac{2(d-1)^3}{\bar F_{ST}^2}$$ | {
"domain": "biology.stackexchange",
"id": 5887,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "evolution, theoretical-biology, population-dynamics, population-genetics, populatio... |
javascript, jquery
$('table.masteries tr.p0 td').on('click', function(){
if(spent_points < max_points) {
if(!this.i){
this.i = 0;
}
s = $(this).find('p').text()
current_max = parseInt(s.substr(s.length - 1))
if (
$(this).is($(':nth-child(1)'))
... | {
"domain": "codereview.stackexchange",
"id": 9019,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "javascript, jquery",
"url": null
} |
solar-system, comets, oort-cloud, solar-system-evolution
Title: If sun steals comets from other stars, then what is the primary source of comets? I heard some theory that sun may steal materials such as comets from neighbouring stars, is it true? But if is true, what is the primary source of those comets? Especially "... | {
"domain": "astronomy.stackexchange",
"id": 1330,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "solar-system, comets, oort-cloud, solar-system-evolution",
"url": null
} |
php, mysql, security, pdo
DROP TABLE IF EXISTS `members`;
CREATE TABLE IF NOT EXISTS `members` (
`memberID` int(11) NOT NULL AUTO_INCREMENT,
`Oauth_pro` varchar(10) DEFAULT NULL,
`username` varchar(255) NOT NULL,
....
....
PRIMARY KEY (`memberID`)
) ENGINE=InnoDB AUTO_INCREMENT=5 DEFAULT CHARSET=utf8 COLL... | {
"domain": "codereview.stackexchange",
"id": 37549,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "php, mysql, security, pdo",
"url": null
} |
c#, performance, algorithm, game
In general this part works very well and has some aesthetical issues I will be covering in the next question, but what is your opinion about the current code in general? Is there anything that can be simplified or combined?
In my sample I was quite "lucky" since the resulting map wasn'... | {
"domain": "codereview.stackexchange",
"id": 27497,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c#, performance, algorithm, game",
"url": null
} |
physics, ros-kinetic, friction, gazebo-9
==========
I've tried using all four physics engines and modifying physics tags in the world file, as well as collision surface tags in both the object sdf and the gripper urdf. It's apparent that changing these parameters has some effect (though mu1 and mu2 don't make any dif... | {
"domain": "robotics.stackexchange",
"id": 4307,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "physics, ros-kinetic, friction, gazebo-9",
"url": null
} |
rospy, eclipse
Title: How to Configure Eclipse to use rospy library?
I want to program ros programs in python using Eclipse. But, when I write " import rospy" in eclipse it gives an error. How to import rospy library in eclipse?
Originally posted by ish45 on ROS Answers with karma: 151 on 2014-08-24
Post score: 0
I... | {
"domain": "robotics.stackexchange",
"id": 19167,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "rospy, eclipse",
"url": null
} |
computability, regular-languages, finite-automata, regular-expressions
We can see that such a tree enumerates all the strings over $\Sigma$ of length at most $d$; this means that each string of $L$ must correspond to some node of the tree. Marking as an accepting state every such node yields a DFA for $L$.
Notice that... | {
"domain": "cs.stackexchange",
"id": 8298,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "computability, regular-languages, finite-automata, regular-expressions",
"url": null
} |
c, parsing
For C++, since the first standard in 1998; see ISO/IEC 14882:1998 section 3.6.1:
If control reaches the end of main without encountering a return statement, the effect is that of executing return 0;
All versions of both standards since then (C99 and C++98) have maintained the same idea. We rely on automa... | {
"domain": "codereview.stackexchange",
"id": 21616,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c, parsing",
"url": null
} |
neural-network, deep-learning, cnn, rnn
Would it be more accurate to use the collective term "Deep Learning Architectures" with strictly separated subclasses as Wikipedia suggests? I will try to explain it in the simplest way I can-
Deep Learning - Deep learning is a machine learning technique that teaches computers t... | {
"domain": "datascience.stackexchange",
"id": 5616,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "neural-network, deep-learning, cnn, rnn",
"url": null
} |
c++, c++11, c++14, c++17
clang-tidy output
curl2.cpp:18:8: warning: constructor does not initialize these fields: error [hicpp-member-init]
struct HttpResponse {
^
curl2.cpp:29:3: warning: use '= default' to define a trivial default constructor [hicpp-use-equals-default]
Parameters() {}
^ ~~
... | {
"domain": "codereview.stackexchange",
"id": 36984,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, c++11, c++14, c++17",
"url": null
} |
Line joining these two planes are parallel: 3 9 … distance between.! Measure a plane here, we may need to find this distance |8−1|! Already did that for you between these two planes to be parallel is: - projection of a 3D.. To second plane, possibly the category ) of the above formulae edit..., if the planes steps: wri... | {
"domain": "com.br",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9539660976007596,
"lm_q1q2_score": 0.8070004001563397,
"lm_q2_score": 0.8459424314825852,
"openwebmath_perplexity": 493.2718904415889,
"openwebmath_score": 0.478618860244751,
"tags": null... |
homework-and-exercises, electrostatics, electric-fields, potential, capacitance
Title: Non conducting charged planes I have two parallel non conducting charged planes with opposite charges $6\mu C/m^2$, area $A = 3m^2$ and distance between the planes $d = 0.004 m$. I know the potential between these two planes is $$V ... | {
"domain": "physics.stackexchange",
"id": 6969,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "homework-and-exercises, electrostatics, electric-fields, potential, capacitance",
... |
thermodynamics, water, phase-transition, ice
There are two types of thermal convection:
Natural convection caused purely by natural factors such as differences in temperature or density (the cooling water near the ice surface becomes denser and sinks, and is thus replaced by other warmer fluid molecules. In general,... | {
"domain": "physics.stackexchange",
"id": 57306,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "thermodynamics, water, phase-transition, ice",
"url": null
} |
zoology, ethology
Other Examples
There are many cases of cannibalism in the animal kingdom. Chimpanzees eating other chimpanzees and bear eating other bears. In the tiger salamander, there are cannibal morph and normal morphs. In this species cannibalism is very frequent as in nature one offspring over 5 is eaten thro... | {
"domain": "biology.stackexchange",
"id": 2540,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "zoology, ethology",
"url": null
} |
python, reinventing-the-wheel, set
You can improve it by returning early if the first condition is False, and you can omit the continue by inverting the if-condition:
if not self.size() <= second_set.size():
return False
for item in self.set_contents():
if not second_set.contains(item):
return False
r... | {
"domain": "codereview.stackexchange",
"id": 28716,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "python, reinventing-the-wheel, set",
"url": null
} |
quantum-mechanics, hilbert-space, angular-momentum, spherical-harmonics
Title: Inner products with spherical harmonics in quantum mechanics Let $|l,m\rangle$ be a simultaneous eigenstate of operators $L^2$ and $L_z$ and we want to calculate $\langle l,m|\cos(\theta)|l,m'\rangle$ where $\theta$ is the angle $[0,\pi]$. ... | {
"domain": "physics.stackexchange",
"id": 86817,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "quantum-mechanics, hilbert-space, angular-momentum, spherical-harmonics",
"url":... |
measurements, error-analysis
Title: Which of the classifications and different ways of expressing is correct? I know that uncertainty in measurement is different from measurement error (1).
But when it comes to classification (of uncertainty and error) and different ways of expressing uncertainty and error in measurem... | {
"domain": "physics.stackexchange",
"id": 99071,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "measurements, error-analysis",
"url": null
} |
c++, beginner, windows, library
return counter;
}
//Returns string to uppercase
string UpperString(string s) {
transform(s.begin(), s.end(), s.begin(), ::toupper);
return s;
}
template <typename T>
string NumberToString(T pNumber) {
ostringstream oOStrStream;
o... | {
"domain": "codereview.stackexchange",
"id": 41606,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, beginner, windows, library",
"url": null
} |
forces, energy, work
Title: what is "work"? (of a force) I would like to know why two forces (of different magnitudes but same direction) that we'd use sequentially on an object to move it by the same amount twice, will produce two different values for the work quantity.
Why is there a mismatch between the maths and ... | {
"domain": "physics.stackexchange",
"id": 12292,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "forces, energy, work",
"url": null
} |
of the Black-Peg game with n holes and k >= n colors where no repetition of colors is allowed. Input: The first line of input contains an integer T, denoting the number of test cases. The basic difference between permutation and combination is of order Permutation is basically called as a arrangement. For example, a tr... | {
"domain": "gattopescatore.it",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.982287697666963,
"lm_q1q2_score": 0.8534378486979414,
"lm_q2_score": 0.8688267711434708,
"openwebmath_perplexity": 674.6376522032865,
"openwebmath_score": 0.5992879271507263,
"... |
exponential curve, you can define the curve by solving the general exponential function using those points. You can use the model to gain evidence that that the model is valid by seeing whether the predictions obtained match with data for which you already know the correct values. The Mathematics Power Calculator is ca... | {
"domain": "106.115",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9901401444055119,
"lm_q1q2_score": 0.8024877059347477,
"lm_q2_score": 0.8104789109591832,
"openwebmath_perplexity": 451.5423627355904,
"openwebmath_score": 0.6478143930435181,
"tags": null,
... |
1 - (.50 * .50 * .50) = 87.5%
So that's how the concept of total probability can be used to prove the cost/impact of dependent events, as opposed to independent events.
ok I'm glad you figured it out.
12. Re: dependent probability question?
One more related question. What's the proper way to describe the probability... | {
"domain": "mathhelpforum.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9865717476269469,
"lm_q1q2_score": 0.8536056369512666,
"lm_q2_score": 0.865224084314688,
"openwebmath_perplexity": 710.536596496316,
"openwebmath_score": 0.8681716322898865,
"tags"... |
beginner, console, go, concurrency, ssl
// depending on the result, write to the appropriate channel
if err != nil {
eCh <- err
} else {
sCh <- resp
}
}
}
}()
return sCh, eCh // return channels right awa... | {
"domain": "codereview.stackexchange",
"id": 44067,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "beginner, console, go, concurrency, ssl",
"url": null
} |
c++, performance
An alternative histogram algorithm that makes only one pass is, at a high level, "for each item, increment histogram[item]". The items here are bigrams, and they could come directly from the input string, saving on the cost of explicitly creating vectors of bigrams, which became a significant time was... | {
"domain": "codereview.stackexchange",
"id": 42980,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, performance",
"url": null
} |
data
In particular, I want to know how to make sense of the values F_1,11; r^2; and P. I am finding a lot of these values in the papers I'm looking at so it would be awesome if one of you guys could point me in the right direction.
Thanks! I will not go too deep into the details but here some information to facilitate... | {
"domain": "biology.stackexchange",
"id": 3717,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "data",
"url": null
} |
java, console, enum
return MENU_SCELTE.from(userScelta);
}
}
MENU_SCELTE.java
MenuAction is an interface which declares only one method (perform) which executes the method.
While it would be better to define it inside the MENU_SCELTE as abstract method I chose to use an interface for no reason... Maybe an interfa... | {
"domain": "codereview.stackexchange",
"id": 7040,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "java, console, enum",
"url": null
} |
manipulator, collision, avoidance, cartesian, velocity
Original comments
Comment by Airuno2L on 2016-02-18:
Thanks for the advise, I went ahead and installed and tried out the trac_ik solver and it does seem to do a better job than KDL, but I'm not really having problems with IK. I'm having problems understanding the ... | {
"domain": "robotics.stackexchange",
"id": 23811,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "manipulator, collision, avoidance, cartesian, velocity",
"url": null
} |
since 24=4(6) and 4\in \mathbb{Z}$$8|0$ since $0=0(8)$ and $0\in \mathbb{Z}$$-5|-55 since -55=11(-5) and 11\in \mathbb{Z}$$-9|909$ since $909=-101(-9)$ and $-101\in \mathbb{Z}$. David Smith is the CEO and founder of Dave4Math. Copyright © 2021 Dave4Math LLC. (c) If ajb and cjd, then acjbd. Certainly the sum, difference... | {
"domain": "com.au",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9850429116504951,
"lm_q1q2_score": 0.8143465969327848,
"lm_q2_score": 0.8267117983401363,
"openwebmath_perplexity": 369.0676248974898,
"openwebmath_score": 0.8721988201141357,
"tags": nul... |
electromagnetism, electrostatics
If so, since the outer cylinder should remain electrically neutral (which is the initial state), shouldn't the positive charge again be induced on the outer surface of the outer cylinder?
Yes, the charge must come from somewhere. If the outer conductor is floating it will come from th... | {
"domain": "physics.stackexchange",
"id": 98719,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "electromagnetism, electrostatics",
"url": null
} |
genetics, hybridization
Title: How does further hybridization affect fertility? Numeruous scientific sites state that hybrids (like mules) are infertile. On the other hand, ligers are known to mate with both tigers and lions and still have viable offspring.
So my question is: if the hybrid is fertile in the first gene... | {
"domain": "biology.stackexchange",
"id": 9334,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "genetics, hybridization",
"url": null
} |
c++, iterator
std::copy(indirection_iter.begin(),
indirection_iter.end(),
std::ostream_iterator<char>{std::cout});
return 0;
}
Critique request
I would like to hear how to make it more usable and how to make it more idiomatic C++. You are missing the iterator_traits types
If there were... | {
"domain": "codereview.stackexchange",
"id": 29075,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, iterator",
"url": null
} |
aerodynamics
The service ceiling is lower and has some safety margin built in. This is the height where the rate of climb is not zero so the craft still has some maneuverability. Most commercial jetliners have a service (or certificated) ceiling of about 42,000 feet and some business jets about 51,000 feet. Many mi... | {
"domain": "physics.stackexchange",
"id": 12877,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "aerodynamics",
"url": null
} |
rosjava
Create a package, e.g., "external_jar", create subfolder, put jar-files there
Add a rosjava_pathelement tag with the relative path to each jar file to external_jar's manifest.xml (see other rosjava manifest.xml files for exact syntax)
Declare dependency on external_jar in manifest of the package where the jar-... | {
"domain": "robotics.stackexchange",
"id": 6785,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "rosjava",
"url": null
} |
deep-learning, model-selection
Title: Model selection metric for validation phase in deep learning I have been taught that for each epoch in training, we perform a training phase, and then a validation phase where we decide whether the new set of parameters is better than the current best. This selection of parameters... | {
"domain": "datascience.stackexchange",
"id": 7177,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "deep-learning, model-selection",
"url": null
} |
pr.probability, random-graphs
However, good constant factor approximation is possible: about half of the optimum, i.e. $\log_2 n$, can be achieved by a known polynomial-time algorithm, with high probability.
On the other hand, for any fixed $\epsilon>0$, no polynomial-time algorithm is known
that would find a clique ... | {
"domain": "cstheory.stackexchange",
"id": 5279,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "pr.probability, random-graphs",
"url": null
} |
java, beginner, swing, calculator
private FormArea formpanel;
private OutputArea outputText;
private WorkoutExpression workingOutMathExpression;
private static String mathmaticalExpression = "";
public MainFrame() {
super("Calculator");
setVisible(true);
setSize(800, 600);
... | {
"domain": "codereview.stackexchange",
"id": 15408,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "java, beginner, swing, calculator",
"url": null
} |
condensed-matter, topological-insulators, time-reversal-symmetry, chirality
Title: Is there a bulk signature of topological nontriviality for a 3D free fermion band insulator? Is there such thing as a 3D Chern invariant (or some other quantity) that I can use to test an insulating quasiparticle spectrum is a topologic... | {
"domain": "physics.stackexchange",
"id": 25839,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "condensed-matter, topological-insulators, time-reversal-symmetry, chirality",
"u... |
bacteriology, medicine
Title: How can Clostridium tetani proliferate in relatively minor wounds? It is often reported (NIH) that some of the most common infections by Clostridium tetani are in minor wounds where, in theory, blood (hence oxygen) supply should not be completely disrupted. | {
"domain": "biology.stackexchange",
"id": 12396,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "bacteriology, medicine",
"url": null
} |
java, performance, reinventing-the-wheel, library, numerical-methods
A comment along the lines of
// Newton-Raphson to find zero of f(x) = x^n - a
// x' = x - f(x) / f'(x) = x - (x^n - a) / (nx^{n-1})
would be nice.
I'm not convinced of the benefit of renaming x to x0 for a scope in which x doesn't ch... | {
"domain": "codereview.stackexchange",
"id": 24436,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "java, performance, reinventing-the-wheel, library, numerical-methods",
"url":... |
D. The idea of measuring is, how many standard deviations away P is from the mean of D. The benefit of using mahalanobis distance is, it takes covariance in account which helps in measuring the strength/similarity between two different data objects. 3. In the absence of additive noise, no errors occurred in a within-li... | {
"domain": "portcetate.ro",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9736446471538803,
"lm_q1q2_score": 0.8005200501228974,
"lm_q2_score": 0.822189134878876,
"openwebmath_perplexity": 1081.2348596365412,
"openwebmath_score": 0.7011394500732422,
"tag... |
performance, beginner, vba
End If
Loop
If rngPrev.Style = strHeadLevel Then
FindHeading = rngPrev.Paragraphs(1).Range.Text
Else
FindHeading = "No heading found"
End If
End Function Clean everything up
Code should be written for other people (including future you) to read and understand. A key aspect of this... | {
"domain": "codereview.stackexchange",
"id": 20972,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "performance, beginner, vba",
"url": null
} |
python, beginner, game
You didn't specify WHY the input is invalid, you stated the obvious by saying "It's an invalid input"...be concise and again, aim for MAXIMUM clarity.
Note: I did abbreviate some of the variable/function names just for saving time.
Anyway, here's how I would've done this:
import random
#variabl... | {
"domain": "codereview.stackexchange",
"id": 40076,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "python, beginner, game",
"url": null
} |
• Dear Tim Laska, thank you for your great help, can we evaluate the error and plot it? – user62716 Jun 26 at 9:47
• I did it plot = Plot3D[ Abs[yfun[x1, x2] - (x1 + x2)], {x1, x2} [Element] [CapitalOmega]2D, PlotRange -> All, AxesLabel -> {"x1", "x2", "y[x1,x2]"}, PlotLabel -> err] – user62716 Jun 26 at 10:03
• Dear T... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9615338101862455,
"lm_q1q2_score": 0.8603703179118266,
"lm_q2_score": 0.8947894590884704,
"openwebmath_perplexity": 2496.7887469288025,
"openwebmath_score": 0.4856671988964081,
"ta... |
c++, algorithm, game, vectors, connect-four
using std::vector;
using std::cout;
using std::cin;
using std::endl;
using std::time;
using std::stringstream;
using std::string;
using std::to_string;
const string bot = "B";
void riftmaker(int coordx, int coordy , vector<vector<string>>& rboard);
void infinity_ikea(const ... | {
"domain": "codereview.stackexchange",
"id": 41382,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, algorithm, game, vectors, connect-four",
"url": null
} |
orbital-motion, solar-system, newtonian-mechanics
If the 2nd theory is true, then it's harder to answer this. One thing
for sure though: Jupiter is much farther away, so its tug on the
system is a much smaller factor than it is for the inner planets
(where it can be a major source of instability over the solar s... | {
"domain": "physics.stackexchange",
"id": 3119,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "orbital-motion, solar-system, newtonian-mechanics",
"url": null
} |
machine-learning, python, nlp, scikit-learn, text-classification
Later on I'm fitting all into the model as follows:
model = Sequential()
model.add(Embedding(vocab_size, embedding_dim, input_length=train_padded.shape[1]))
model.add(Conv1D(48, len(GROUPS), activation='relu', padding='valid'))
model.add(GlobalMaxPoolin... | {
"domain": "datascience.stackexchange",
"id": 11182,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "machine-learning, python, nlp, scikit-learn, text-classification",
"url": nu... |
ocaml
Of course, you don't need to only use nested functions, you can also define bar or baz before defining important_operator. OCaml tends to only use functions that were defined "earlier", so using and for this is abusing the system. | {
"domain": "codereview.stackexchange",
"id": 2385,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ocaml",
"url": null
} |
$K < \epsilon$ for any $\epsilon \in \mathbb R^+$ means $K \le \inf \mathbb R^+ = 0$.
If we are further told $K \ge 0$ the we have $K \le 0$ and $K \ge 0$. That means..... $K = 0$.
.....
But that's a lot of sound and fury for what should be intuitive once you think about it:
...
Consider the statement. "Let $K$ be... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9822877049262134,
"lm_q1q2_score": 0.8053711388958966,
"lm_q2_score": 0.8198933315126791,
"openwebmath_perplexity": 366.87930534882156,
"openwebmath_score": 0.8042983412742615,
"ta... |
genetics, homework, molecular-genetics, gene
This scheme would not be inheritable (RNA editing/alternative splicing/PTM etc).
It has been shown that even synonymous mutations can have different phenotypes. (Plotkin and Kudla. 2011)
This does not consider non-coding RNAs
e. More or less correct (not in a very strict ... | {
"domain": "biology.stackexchange",
"id": 5027,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "genetics, homework, molecular-genetics, gene",
"url": null
} |
vba, excel
Sub Reformat_ZZ_CM_BNREG()
Const searchText As String = "Disbursements"
Const sourceShtName As String = "ZZ_CM_BNREG"
Const targetShtName As String = "Bank Register"
Dim sourceWS As Worksheet
Dim targetWS As Worksheet
Set sourceWS = GetWorksheetByName(sourceShtName, ThisWor... | {
"domain": "codereview.stackexchange",
"id": 40518,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "vba, excel",
"url": null
} |
homework-and-exercises, electromagnetism, electromagnetic-radiation, textbook-erratum
Note that
\begin{equation}
\mathbf{e}_{r^{'}}=
\begin{cases}
-\mathbf{i} & \text{for charge }q \text{ to the left of the field point } \mathrm P\\
\\
\hphantom{-}\mathbf{i} & \text{for charge }q \text{ to the right of the field point... | {
"domain": "physics.stackexchange",
"id": 45634,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "homework-and-exercises, electromagnetism, electromagnetic-radiation, textbook-erra... |
gauge-theory, topological-order
Title: The Quantum Double of a Group and its relation to discrete gauge theories Why is it that the algebraic structure known as the Quantum Double $D(G)$ of a discrete group is said to classify the excitations of a Discrete Gauge Theory (minimally coupled with matter) with gauge group ... | {
"domain": "physics.stackexchange",
"id": 18889,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "gauge-theory, topological-order",
"url": null
} |
of the sum of two variables! 0 ) = 1. convergence of random variables with finite expected value and variance, coefficient! X has a standard normal distribution. for y≥−1, in general, convergence will to. Ideas in what follows are \convergence in distribution. it also makes sense to talk about convergence to a number! ... | {
"domain": "ecb.bt",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9777138125126403,
"lm_q1q2_score": 0.8367774914394466,
"lm_q2_score": 0.8558511506439707,
"openwebmath_perplexity": 339.4503921530242,
"openwebmath_score": 0.8063332438468933,
"tags": nul... |
All of this is much clearer when expressed in terms of congruences (modular arithmetic), e.g. the key inference above $\rm\:n\equiv r\:\Rightarrow\:n^2\equiv r^2\pmod m\:$ is a special case of the ubiquitous
Congruence Product Rule $\rm\ \ A\equiv a,\ B\equiv b\ \Rightarrow\ AB\equiv ab\ \ (mod\ m)$
Proof $\rm\:\ \ m... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9869795072052384,
"lm_q1q2_score": 0.8557465218523387,
"lm_q2_score": 0.8670357546485407,
"openwebmath_perplexity": 152.49878714121635,
"openwebmath_score": 0.901091992855072,
"tag... |
meteorology, atmospheric-circulation, coriolis, jet-stream
Due to the axis tilt of the earth the winter hemisphere gets less heated by solar radiation. This leads to a high temperature gradient from equator to the winter hemisphere pole (strong baroclinicity). In contrast we have a low temperature gradient from equato... | {
"domain": "earthscience.stackexchange",
"id": 2046,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "meteorology, atmospheric-circulation, coriolis, jet-stream",
"url": null
} |
c++, beginner, c++11, enum, role-playing-game
friend class Backgrounds;
};
vector<Background> backgrounds;
public:
Backgrounds() : backgrounds(0) {} | {
"domain": "codereview.stackexchange",
"id": 15900,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, beginner, c++11, enum, role-playing-game",
"url": null
} |
But not really sure how to go any further even if this is the right way to go in the first place? Any input would be greatly be appreciated!
You have already done most of the work. By showing that $$1 \leq a_n < a_{n+1} < 3$$ where $$n \in \mathbb{Z}_+$$, you have demonstrated that the sequence is increasing and bound... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9881308775555446,
"lm_q1q2_score": 0.8398827693323725,
"lm_q2_score": 0.849971181358171,
"openwebmath_perplexity": 943.1229451802467,
"openwebmath_score": 1.0000097751617432,
"tags... |
newtonian-mechanics, oscillators, non-linear-systems, anharmonic-oscillators
Percival, I.C. and Richards, D., 1982. Introduction to dynamics. Cambridge University Press. | {
"domain": "physics.stackexchange",
"id": 59644,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "newtonian-mechanics, oscillators, non-linear-systems, anharmonic-oscillators",
"... |
algorithms, recurrence-relation, number-theory
Title: Generalizing Knuth's $O(\log_2 n)$ Fibonacci algorithm to linear homogenous recurrences Knuth has a neat algorithm that uses matrix exponentiation to compute the $n$th Fibonacci number in $O(\log_2 n)$-time 1. However, there doesn't seem to be a lot of resources on... | {
"domain": "cs.stackexchange",
"id": 13458,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "algorithms, recurrence-relation, number-theory",
"url": null
} |
neural-network, convolution, graphs
In GCNNs, however, the neighbourhood for each node is given by the set of other nodes that share edges with the node. The representations of each node are averaged with the representations of the nodes in their neighbourhoods before having a linear transformation applied and subsequ... | {
"domain": "datascience.stackexchange",
"id": 5523,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "neural-network, convolution, graphs",
"url": null
} |
'' with. Is represented by the symbol ≥ ≥ it will return matched records of time and... Time, and some characters like emoji usually ca n't be found in countless is! Symbols in countless symbols is obviously a waste of time, and some characters like emoji usually ca n't found... An inequality between two values Monochr... | {
"domain": "sintap.pt",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9219218391455084,
"lm_q1q2_score": 0.8193661482443102,
"lm_q2_score": 0.8887588008585925,
"openwebmath_perplexity": 1262.857213742388,
"openwebmath_score": 0.6286618113517761,
"tags": null... |
html, css, sass
<header class='header'>
<div class="container">
<div class="header__logo">
<img src="img/logo.svg" alt="logo">
<a class="header__logo-link" href="#header">Mini<span>house</span></a>
</div>
<nav>
<ul class="heade... | {
"domain": "codereview.stackexchange",
"id": 39366,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "html, css, sass",
"url": null
} |
To see this, we use the class equation. Recall that if $G$ is a finite group and $Z(G)$ is the center of the group (the set of all elements $g\in G$ such that $gx=xg$ for all $x\in G$), then $$|G| = |Z(G)| + \sum [G:C(x_i)],$$ where $x_1,\ldots,x_n$ are representatives of the conjugacy classes of $G$ with more than one... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9838471689667878,
"lm_q1q2_score": 0.8362417348740774,
"lm_q2_score": 0.8499711756575749,
"openwebmath_perplexity": 45.002840312469516,
"openwebmath_score": 0.9600948691368103,
"ta... |
ros, ros-melodic, catkin, ubuntu, ubuntu-bionic
CMake Error at /opt/ros/melodic/share/catkin/cmake/catkin_package.cmake:196 (message):
catkin_package() the catkin package 'roscpp' has been find_package()-ed but
is not listed as a build dependency in the package.xml
Call Stack (most recent call first):
/opt/ros/m... | {
"domain": "robotics.stackexchange",
"id": 33818,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, ros-melodic, catkin, ubuntu, ubuntu-bionic",
"url": null
} |
f#, state-machine
| None ->
let message = "The account cannot validate a phone number change cause it is not yet created."
{ state with AuditInvalidations = message :: state.AuditInvalidations }
| InvalidOperationAttempted invalidOperationAttempted ->
{ state with
AuditI... | {
"domain": "codereview.stackexchange",
"id": 34839,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "f#, state-machine",
"url": null
} |
determine the value of g … In simple pendulum if string is flexible then what is effect on time period? multiply the length of the pendulum by 4, the period doubles. Long length pendulums swing with a smaller frequency and therefore have a longer period. 6 s. Keep in mind that the size of the bob does affect the length... | {
"domain": "jameswelling.net",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9871787830929849,
"lm_q1q2_score": 0.8138913233158339,
"lm_q2_score": 0.8244619285331332,
"openwebmath_perplexity": 486.29451470729504,
"openwebmath_score": 0.8461595177650452,
"tag... |
The Pearson correlation measures the closeness to a linear relationship. If $X$ is positive, then the correlation between $X$ and $X^2$ is often fairly close to 1.
If you want to measure the strength of monotonic relationship, there are a number of other choices, of which the two best known are the Kendall correlation... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9822877002595527,
"lm_q1q2_score": 0.8602747979045842,
"lm_q2_score": 0.8757869997529962,
"openwebmath_perplexity": 398.3522745880172,
"openwebmath_score": 0.7718861699104309,
"tag... |
evolution, human-evolution, growth, sexual-dimorphism
The motivation behind my curiosity is feelings-driven. A while ago, my dad said during a conversation that he once "saw a documentary in which they explained that early men stole all the good proteins from the women, so they could grow taller and stronger unlike th... | {
"domain": "biology.stackexchange",
"id": 9995,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "evolution, human-evolution, growth, sexual-dimorphism",
"url": null
} |
python, file-system
print('\t\t %s WILL BE REMOVED TO: %s' % (subresult, backupdir))
else:
print('\t\tREMOVING %s TO %s' % (subresult, backupdir))
try:
shutil.move(subresult, backupdir)
except shutil.Error:
print ('\t\t... | {
"domain": "codereview.stackexchange",
"id": 14105,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "python, file-system",
"url": null
} |
game-of-life, batch
SET ROW=
FOR /L %%w IN (1, 1, %WIDTH%) DO (
SET ROW=!ROW!!A[%%w][%%h]!
)
ECHO ^|!ROW!^|
IF %%h EQU %height% (FOR /L %%w IN (1, 1, %width%) DO (SET BOT=~!BOT!))
IF %%h EQU %height% ECHO `!BOT!'
)
GOTO EOF
:HELP
ECHO/
ECHO 'Conway's Game of Life' - Batch Edition... | {
"domain": "codereview.stackexchange",
"id": 38343,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "game-of-life, batch",
"url": null
} |
java, io
public InputStreamWrapper(InputStream is) {
super(is);
}
@Override
public int read() throws IOException {
try {
int val = super.read();
if (val == -1)
close();
return val;
} catch (IOException e) {
close();
... | {
"domain": "codereview.stackexchange",
"id": 30901,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "java, io",
"url": null
} |
reinforcement-learning, dqn, deep-rl, generalization, discrete-state-spaces
Title: Does DQN generalise to unseen states in the case of discrete state-spaces? In my understanding, DQN is useful because it utilises a neural network as a q-value function approximator, which, after the training, can generalise to unseen s... | {
"domain": "ai.stackexchange",
"id": 2593,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "reinforcement-learning, dqn, deep-rl, generalization, discrete-state-spaces",
"url": n... |
precision *) delta = 1 ; limit = 25 ; step = 1/250 ; order = 10 ; precision = Range[15, 60, 15] ; plot = ListPlot[ ParallelMap[orbit[delta, limit, step, order, #] &, precision], PlotStyle -> {Red, Blue, Green, Magenta}, AspectRatio -> 1/2, ImageSize -> 400, Frame -> True, Axes -> False, PlotRange -> All, PlotLegends ->... | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.9678992923570262,
"lm_q1q2_score": 0.8148024559446857,
"lm_q2_score": 0.8418256551882382,
"openwebmath_perplexity": 902.0248722421479,
"openwebmath_score": 0.6717526316642761,
"tag... |
matlab, audio, dct
How should I interpret this result? Are the high energy coefficient the ones with a greater value?(I'm still a noob on this). Is the first value the DC coefficient? Is there a special way to read the vector (zig-zag or something)?
Any help will be appreciated, btw I'm working with matlab.
Thanks Whe... | {
"domain": "dsp.stackexchange",
"id": 1804,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "matlab, audio, dct",
"url": null
} |
c++, game, c++11
//..the local resource is returned instead. Resources in a localContext are
//..never visible in it's parentContext or any sibling contexts.
//ResourceContext is not guaranteed to own any resources it manages. The
//..ownership of the managed resources is transferred to the object calling
//..make(),... | {
"domain": "codereview.stackexchange",
"id": 6470,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, game, c++11",
"url": null
} |
quantum-operation, locc-operation
However, when we allow classical communication it seems less obvious what a generic operation should look like. The Kraus decomposition of such a map $\Phi$ would a priori be written $\Phi(\rho_{AB})=\sum_k A_k \rho_{AB} A_k^\dagger$ where $A_k$ acts nonlocally on $AB$, but then I'm n... | {
"domain": "quantumcomputing.stackexchange",
"id": 916,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "quantum-operation, locc-operation",
"url": null
} |
java, matrix, mathematics
Matrix matrix2 = Matrix.identity(ROWS);
assertTrue(matrix2.isIdentity());
}
@Test
public void testZeroFill() {
double[][] data = new double[ROWS][COLS];
for (int i = 0; i < ROWS; i++) {
for (int j = 0; j < COLS; j++) {
data[i][j... | {
"domain": "codereview.stackexchange",
"id": 29599,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "java, matrix, mathematics",
"url": null
} |
complexity-theory, complexity-classes, quantum-computing
So Simon's problem is not a problem in the formal complexity class NP; it's just something different. For the same reasons, it's not NP-intermediate, either. | {
"domain": "cs.stackexchange",
"id": 2724,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "complexity-theory, complexity-classes, quantum-computing",
"url": null
} |
meteorology, climatology, human-influence, glaciation, global-weirding
The effect of clouds on global warming is highly uncertain. The 5th IPCC report states the following in this regard:
The sign of the net radiative feedback due to all cloud types is less certain but likely positive. Uncertainty in the sign and mag... | {
"domain": "earthscience.stackexchange",
"id": 1749,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "meteorology, climatology, human-influence, glaciation, global-weirding",
"ur... |
c++, performance, object-oriented, design-patterns
size_t input_sections_index = 0;
while(std::getline(input_stream, input_sections[input_sections_index], INPUT_DELIMITER))
++input_sections_index;
if(!is_valid_input(input_sections[0], input_sections[1], input_sections[2], input_sections[3], input_sect... | {
"domain": "codereview.stackexchange",
"id": 45347,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "c++, performance, object-oriented, design-patterns",
"url": null
} |
mechanical-engineering
Title: How does a double axis movement system work? I don't know what the right term for the machine is, but I would like to look into machines that can move something with two bars. For example, the machine that moves the basketball hoop in Stuff Made Here's never-miss basketball hoop. Does any... | {
"domain": "engineering.stackexchange",
"id": 4584,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "mechanical-engineering",
"url": null
} |
and explicitly derive closed form representations of integrals of logarithmic, hypergeometric functions and the Lerch phi transcendent in terms of zeta functions and sums of alternating harmonic numbers. Find an integration formula that resembles the integral you are trying to solve (u-substitution should accomplish th... | {
"domain": "rafbis.it",
"id": null,
"lm_label": "1. YES\n2. YES\n\n",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.992988205448513,
"lm_q1q2_score": 0.8047959925287891,
"lm_q2_score": 0.8104789040926008,
"openwebmath_perplexity": 868.1644793955845,
"openwebmath_score": 0.8654050230979919,
"tags": n... |
javascript, performance, canvas, processing
function Particle() {}
Particle.prototype = { // Use prototype when creating many instances
init(emitter) {
this.x = emitter.origin.x;
this.y = emitter.origin.y;
this.life = 255;
this.mass = 5;
this.vx = Math.rand(emitter.min.x, em... | {
"domain": "codereview.stackexchange",
"id": 34809,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "javascript, performance, canvas, processing",
"url": null
} |
ros, imu, data
Title: Imu data about xsens_driver
when i got the sensor_msgs::Imu data by adding listener to the topic, but before i use the imu data, how could i judge the imu.linear_acceleration or imu.angular_velocity is valid or available. i saw the imu.linear_acceleration.x default value is -1f, so it dosen't ha... | {
"domain": "robotics.stackexchange",
"id": 27138,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "ros, imu, data",
"url": null
} |
semantic-similarity
Title: What's the best way to generate similar words? Hi all I'm fairly up to date with all the NLP tasks out there (nlpprogress.com, paperswithcode.com) and great tools like (nltk, flair, huggingface etc). I want to take a single word, and predict a similar word, a little like the old "Google Sets... | {
"domain": "datascience.stackexchange",
"id": 9207,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "semantic-similarity",
"url": null
} |
newtonian-mechanics, forces, newtonian-gravity
Title: Simple question about gravity I just read "Newton's law of gravity says that the gravitational attraction of a star is exactly one quarter that of a similar star at half the distance" and this sentence doesn't make sense to me. Shouldn't the gravitational force be ... | {
"domain": "physics.stackexchange",
"id": 71125,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "newtonian-mechanics, forces, newtonian-gravity",
"url": null
} |
inorganic-chemistry, physical-chemistry, thermodynamics, stoichiometry
Title: What does n(Na2CO3) mean? In my book, $n(\ce{Na2CO3})$ was used to indicate the number of moles of $\ce{Na2CO3}$ without any clarification. Is it common knowledge among chemists that $n(\ce{Na2CO3})$ indicates the number of moles of $\ce{Na2... | {
"domain": "chemistry.stackexchange",
"id": 16249,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "inorganic-chemistry, physical-chemistry, thermodynamics, stoichiometry",
"url"... |
natural-language-processing, intelligence-testing, turing-test
What requirements if any must the evaluator fulfill in order to be qualified to give the test?
Must there always be two participants in the conversation (one human and one computer) or can there be more?
Are placebo tests (where there is not actually a com... | {
"domain": "ai.stackexchange",
"id": 752,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "natural-language-processing, intelligence-testing, turing-test",
"url": null
} |
homework-and-exercises, kinematics, velocity, relative-motion
Also by defining $ \dot{x}_R$=+3, this implies a reference being made to the river bank (the origin). Your subsequent equations involving this definition of $ \dot{x}_R$ therefore also produce velocities with reference to the river bank. so the values -27, ... | {
"domain": "physics.stackexchange",
"id": 10544,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "homework-and-exercises, kinematics, velocity, relative-motion",
"url": null
} |
quantum-mechanics, hilbert-space, operators, notation
As to the problem (which looks to be out of Conquering the Physics GRE)
$$\langle3|\hat a^2+\hat a\hat a^\dagger +\hat a^\dagger \hat a + (\hat a^\dagger)^2|3\rangle$$
All you have to do is distribute the bra-ket to each of the inside terms, which results in
$$\lan... | {
"domain": "physics.stackexchange",
"id": 69104,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "quantum-mechanics, hilbert-space, operators, notation",
"url": null
} |
slam, navigation, odometry, hector-slam, move-base
3 ) is odom topic necessary for move_base?
4 ) what is paramers config for move_base for dynamic SLAM navigation ?
5 ) what is a launch file for this to get worked ?
thx for any reply :) .... i just confused a bit :( . | {
"domain": "robotics.stackexchange",
"id": 17991,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "slam, navigation, odometry, hector-slam, move-base",
"url": null
} |
performance, algorithm, c, error-handling, tic-tac-toe
return_result:
return three_row;
}
int checkTwo(char grid[][3], int move){
/*
* This function checks if there are 2 XX's or OO's in a row,
* column or one of the diagonals and if a certain counter move by
* the CPU is needed.
*
* If needed it... | {
"domain": "codereview.stackexchange",
"id": 45391,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "performance, algorithm, c, error-handling, tic-tac-toe",
"url": null
} |
tree, swift, machine-learning
//Split X & Y according to the split found
let rightIndices = x[bestVar].indices.filter { x[bestVar][$0] > bestVal}
let leftIndices = x[bestVar].indices.filter { x[bestVar][$0] <= bestVal}
let rightX = x.map { (col) -> [Double] in
return rightIndices.map {col[$0]}
... | {
"domain": "codereview.stackexchange",
"id": 19295,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "tree, swift, machine-learning",
"url": null
} |
cosmology, universe, space-expansion, galaxies
Title: Expanding universe and the peculiar velocity Hubble's law states that the universe is expanding with a velocity equals Hubble's constant*distance from earth. But, recent findings show that the Andromeda galaxy is actually blueshifting towards us and nearby stars an... | {
"domain": "physics.stackexchange",
"id": 11689,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "cosmology, universe, space-expansion, galaxies",
"url": null
} |
-
Your explanation is confusing. Please clean it up, and explain how other approaches go wrong (better yet, what yur assumptions are, and why they are more realistic). – vonbrand Feb 11 at 2:01 | {
"domain": "stackexchange.com",
"id": null,
"lm_label": "1. YES\n2. YES",
"lm_name": "Qwen/Qwen-72B",
"lm_q1_score": 0.984336352666835,
"lm_q1q2_score": 0.8181243162732522,
"lm_q2_score": 0.8311430478583168,
"openwebmath_perplexity": 339.88939901261546,
"openwebmath_score": 0.7062777876853943,
"tag... |
quantum-field-theory, terminology, greens-functions, correlation-functions
$$
\left(-i\frac{\delta S}{\delta\phi}\bigg|_{\frac{\delta}{\delta J}} + J(x)\right)Z[J] = 0
$$
By expanding the partition function as a functional series in $J$, or equivalently by applying consecutive functional derivatives with respect to th... | {
"domain": "physics.stackexchange",
"id": 75523,
"lm_label": null,
"lm_name": null,
"lm_q1_score": null,
"lm_q1q2_score": null,
"lm_q2_score": null,
"openwebmath_perplexity": null,
"openwebmath_score": null,
"tags": "quantum-field-theory, terminology, greens-functions, correlation-functions",
"ur... |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.