Python (NumPy, SciPy), finding the null space of a matrix

by

Sympy makes this straightforward.

>>> from sympy import Matrix
>>> A = [[2, 3, 5], [-4, 2, 3], [0, 0, 0]]
>>> A = Matrix(A)
>>> A * A.nullspace()[0]
Matrix([
[0],
[0],
[0]])
>>> A.nullspace()
[Matrix([
[-1/16],
[-13/8],
[    1]])]

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