scipy.linalg.interpolative.estimate_spectral_norm_diff¶
-
scipy.linalg.interpolative.
estimate_spectral_norm_diff
(A, B, its=20)[source]¶ Estimate spectral norm of the difference of two matrices by the randomized power method.
- Parameters
- A
scipy.sparse.linalg.LinearOperator
First matrix given as a
scipy.sparse.linalg.LinearOperator
with the matvec and rmatvec methods (to apply the matrix and its adjoint).- B
scipy.sparse.linalg.LinearOperator
Second matrix given as a
scipy.sparse.linalg.LinearOperator
with the matvec and rmatvec methods (to apply the matrix and its adjoint).- itsint, optional
Number of power method iterations.
- A
- Returns
- float
Spectral norm estimate of matrix difference.