scipy.sparse.linalg.expm

scipy.sparse.linalg.expm(A)[source]

Compute the matrix exponential using Pade approximation.

Parameters :

A : array or sparse matrix, shape(M,M)

2D Array or Matrix (sparse or dense) 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).

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