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Scilabヘルプ >> Elementary Functions > sign

sign

符号関数

呼び出し手順

X=sign(A)

引数

A

実数または複素数の行列

X

実数または複素数の行列

説明

X=sign(A)A(i,j)の符号からなる行列を返します. Aが複素数の場合, sign(A) = A./abs(A) 関数となります.

sign(rand(2,3))
sign(1+%i)

参照

  • abs — 絶対値, 大きさ
  • csgn — 複素数の実部のベクトル符号を返す
  • signm — 行列符号関数
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Last updated:
Thu Oct 02 13:58:22 CEST 2014