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Scilabヘルプ >> Elementary Functions > Floating point > nextpow2

nextpow2

指定値を超える2の累乗の最小値

呼び出し手順

t = nextpow2(x)

引数

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

  • log2 — Base-2 logarithm. Base-2 exponents and mantissae of some decimal numbers
  • nearfloat — 前のまたは次の浮動小数点数を取得
  • bitstring — A string giving the literal bit representation of a number
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