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 This page might be outdated.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 >> Linear Algebra > expm

expm

正方行列の指数関数

呼び出し手順

expm(X)

パラメータ

X

実数または複素数のエントリを有する正方行列.

説明

X が正方行列の時, expm(X) は以下の行列となります

expm(X) = I + X + X^2 /2 + ...

計算はまずXをブロック対角化した後, 各ブロックにパデ近似を適用します.

X=[1 2;3 4]
expm(X)
logm(expm(X))
<< ereduc Linear Algebra fstair >>

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 16:25:04 CET 2011