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Scilab help >> Elementary Functions > sign

sign

符号関数

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
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Last updated:
Mon Oct 01 17:40:24 CEST 2012