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bundles / scipy 1.18.0 / scipy / sparse / linalg / _expm_multiply / LazyOperatorNormInfo / __init__

function

scipy.sparse.linalg._expm_multiply:LazyOperatorNormInfo.__init__

source: /scipy/sparse/linalg/_expm_multiply.py:408

Signature

def __init__(self, A, A_1_norm = None, ell = 2, scale = 1)

Summary

Provide the operator and some norm-related information.

Parameters

A : linear operator

The operator of interest.

A_1_norm : float, optional

The exact 1-norm of A.

ell : int, optional

A technical parameter controlling norm estimation quality.

scale : int, optional

If specified, return the norms of scale*A instead of A.

Aliases

  • scipy.sparse.linalg._expm_multiply.LazyOperatorNormInfo.__init__