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scipy.linalg.expm

scipy.linalg.expm(A, q=False)

Compute the matrix exponential using Pade approximation.

Parameters :

A : array, shape(M,M)

Matrix to be exponentiated

Returns :

expA : array, shape(M,M)

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).