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Compute Jordan normal form of matrix in Python / NumPy

In [1]: import numpy as np

In [2]: from sympy import Matrix

In [3]: a = np.array([[5, 4, 2, 1], [0, 1, -1, -1], [-1, -1, 3, 0], [1, 1, -1, 2]])

In [4]: m = Matrix(a)

In [5]: m
Out[5]: 
Matrix([
[ 5,  4,  2,  1],
[ 0,  1, -1, -1],
[-1, -1,  3,  0],
[ 1,  1, -1,  2]])

In [6]: P, J = m.jordan_form()

In [7]: J
Out[7]: 
Matrix([
[1, 0, 0, 0],
[0, 2, 0, 0],
[0, 0, 4, 1],
[0, 0, 0, 4]])

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Compute Jordan normal form of matrix in Python / NumPy

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