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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 This page might be outdated.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 >> Elementary Functions > Trigonometry > cosm

cosm

行列余弦関数

呼び出し手順

t=cosm(x)

パラメータ

x

実数または複素数の正方行列

説明

cosm(x) は, 行列 x の余弦行列 t=0.5*(expm(%i*x)+expm(-%i*x))です..

A=[1,2;3,4]
cosm(A)-0.5*(expm(%i*A)+expm(-%i*A))

参照

  • cos — 余弦関数
  • expm — 正方行列の指数関数
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Last updated:
Mon Oct 01 17:40:24 CEST 2012