SciPy

scipy.linalg.expm

scipy.linalg.expm(A, q=None)[source]

Compute the matrix exponential using Pade approximation.

Parameters :

A : (N, N) array_like

Matrix to be exponentiated

Returns :

expm : (N, N) ndarray

Matrix exponential of A

References

N. J. Higham, “The Scaling and Squaring Method for the Matrix Exponential Revisited”, SIAM. J. Matrix Anal. & Appl. 26, 1179 (2005).

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