Scilab Website | Contribute with GitLab | Mailing list archives | ATOMS toolboxes
Scilab Online Help
5.3.0 - 日本語

Change language to:
English - Français - Português

Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
See the recommended documentation of this function

Scilab manual >> Sparses Matrix > speye

speye

疎単位行列

呼び出し手順

Isp=speye(nrows,ncols)
Isp=speye(A)

パラメータ

nrows

整数 (行数)

ncols

整数 (列数)

A

疎行列

sp

疎単位行列

説明

Isp=speye(nrows,ncols) は, nrows 行, ncols 列の 疎単位行列Ispを返します. (非正方行列は主対角項に1を有します).

Isp=speye(A)Aと 同じ次元の疎単位行列を返します. [m,n]=size(A)の場合, speye(m,n) および speye(A)は等価です. なお, speye(3)speye(3,3)と等価ではありません.

eye(3,3)-full(speye(3,3))
<< spcompack Sparses Matrix spget >>

Copyright (c) 2022-2024 (Dassault Systèmes)
Copyright (c) 2017-2022 (ESI Group)
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Wed Jan 26 16:25:10 CET 2011