signm

行列符号関数

説明

正方およびエルミート行列の場合, X=signm(A) は行列符号関数です.

例

A=rand(4,4);B=A+A';X=signm(B);spec(B),spec(X)

参照

sign — 符号関数

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Last updated:
Fri Apr 11 14:18:54 CEST 2014