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Please note that the recommended version of Scilab is 6.0.2. This page might be outdated.
See the recommended documentation of this function

Scilab manual >> Linear Algebra > 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

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Last updated:
Wed Jan 26 16:25:04 CET 2011