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 This page might be outdated.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 >> Elementary Functions > Exponential > log

log

自然対数

呼び出し手順

y=log(x)

パラメータ

x

定数ベクトルまたは定数行列

説明

log(x) は"要素毎の" 対数です. y(i,j)=log(x(i,j)). 行列の対数の場合, logmを使用してください.

exp(log([1,%i,-1,-%i]))

参照

  • exp — 要素毎の指数関数
  • logm — 正方行列の対数
  • log10 — 対数
  • ieee — 浮動小数点例外モードを設定
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 17:40:23 CEST 2012