Scilab Home page | Wiki | Bug tracker | Forge | Mailing list archives | ATOMS | File exchange
Please login or create an account
Change language to: English - Français - Português - Русский

Please note that the recommended version of Scilab is 6.0.1. This page might be outdated.
See the recommended documentation of this function

Scilab help >> Linear Algebra > Factorization > sqroot

sqroot

W*W' エルミート分解

呼び出し手順

sqroot(X)

パラメータ

X

対称非負定実または複素行列

説明

X=W*W' となるようなWを返します(SVDを使用).

X=rand(5,2)*rand(2,5);X=X*X';
W=sqroot(X)
norm(W*W'-X,1)

X=rand(5,2)+%i*rand(5,2);X=X*X';
W=sqroot(X)
norm(W*W'-X,1)

参照

  • chol — コレスキー分解
  • svd — 特異値分解
Scilab Enterprises
Copyright (c) 2011-2017 (Scilab Enterprises)
Copyright (c) 1989-2012 (INRIA)
Copyright (c) 1989-2007 (ENPC)
with contributors
Last updated:
Mon Oct 01 17:40:24 CEST 2012