scipy.sparse.linalg.expm¶

scipy.sparse.linalg.expm(A)[source]¶

Compute the matrix exponential using Pade approximation.

New in version 0.12.0.

Parameters :

Parameters :	A : (M,M) array or sparse matrix 2D Array or Matrix (sparse or dense) to be exponentiated
Returns :	expA : (M,M) ndarray Matrix exponential of A

A : (M,M) array or sparse matrix

2D Array or Matrix (sparse or dense) to be exponentiated

Returns :

expA : (M,M) 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).