Module « scipy.linalg.lapack »

Fonction dorcsd - module scipy.linalg.lapack

Signature de la fonction dorcsd

Description

dorcsd.__doc__

cs11,cs12,cs21,cs22,theta,u1,u2,v1t,v2t,info = dorcsd(x11,x12,x21,x22,[compute_u1,compute_u2,compute_v1t,compute_v2t,trans,signs,lwork,overwrite_x11,overwrite_x12,overwrite_x21,overwrite_x22])

Wrapper for ``dorcsd``.

Parameters
----------
x11 : input rank-2 array('d') with bounds (p,q)
x12 : input rank-2 array('d') with bounds (p,mmq)
x21 : input rank-2 array('d') with bounds (mmp,q)
x22 : input rank-2 array('d') with bounds (mmp,mmq)

Other Parameters
----------------
compute_u1 : input int, optional
    Default: 1
compute_u2 : input int, optional
    Default: 1
compute_v1t : input int, optional
    Default: 1
compute_v2t : input int, optional
    Default: 1
trans : input int, optional
    Default: 0
signs : input int, optional
    Default: 0
overwrite_x11 : input int, optional
    Default: 0
overwrite_x12 : input int, optional
    Default: 0
overwrite_x21 : input int, optional
    Default: 0
overwrite_x22 : input int, optional
    Default: 0
lwork : input int, optional
    Default: 2+2*m+5*MAX(1,q-1)+4*MAX(1,q)+8*q

Returns
-------
cs11 : rank-2 array('d') with bounds (p,q) and x11 storage
cs12 : rank-2 array('d') with bounds (p,mmq) and x12 storage
cs21 : rank-2 array('d') with bounds (mmp,q) and x21 storage
cs22 : rank-2 array('d') with bounds (mmp,mmq) and x22 storage
theta : rank-1 array('d') with bounds (min(min(p,mmp),min(q,mmq)))
u1 : rank-2 array('d') with bounds ((compute_u1?p:0),(compute_u1?p:0))
u2 : rank-2 array('d') with bounds ((compute_u2?mmp:0),(compute_u2?mmp:0))
v1t : rank-2 array('d') with bounds ((compute_v1t?q:0),(compute_v1t?q:0))
v2t : rank-2 array('d') with bounds ((compute_v2t?mmq:0),(compute_v2t?mmq:0))
info : int