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Scilab help >> Elementary Functions > Floating point > nextpow2

nextpow2

次の2のべき乗の値

呼び出し手順

t=nextpow2(x)

パラメータ

x

実数のベクトルまたは行列

p

整数のベクトルまたは行列

説明

x がスカラーの場合, nextpow2(x) 2^p >=abs(x)となるようなp を返します. x がベクトルまたは行列の場合, nextpow2(x) が要素毎に適用されます.

nextpow2(127)
nextpow2(128)
nextpow2(0:10)

参照

  • frexp — 浮動小数点数を2を基底とする指数部と仮数部に分解する
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Last updated:
Tue Apr 02 17:37:31 CEST 2013