File size: 277 Bytes
114594c
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
from sympy.tensor.array.ndim_array import NDimArray


class MutableNDimArray(NDimArray):

    def as_immutable(self):
        raise NotImplementedError("abstract method")

    def as_mutable(self):
        return self

    def _sympy_(self):
        return self.as_immutable()