SPQRHouseholder

class sksparse.spqr.SPQRHouseholder(H: csc_array, tau: ndarray, perm: ndarray)

A class to hold the Householder representation of Q.

H

The Householder vectors stored in a sparse matrix.

Type:

csc_array

tau

The Householder coefficients.

Type:

ndarray of float

perm

The column permutation vector.

Type:

ndarray of int

Added in version 0.5.0.

Methods

__init__
count	Return number of occurrences of value.
index	Return first index of value.