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Scilab help >> Elementary Functions > nthroot

nthroot

実数のn番目の実根

呼び出し手順

y=ntrhoot(x,n)

引数

x

実数,スカラーまたはベクトル/行列

n

実数スカラー

説明

nthroot(x,n) は,x要素のn番目の根の実数 ベクトル/行列です.xが負の要素を有する場合, nは奇数とする必要があります.

nthroot(2,3)    
nthroot(-2,3)    
nthroot(-2,-3)
nthroot(2,-3)

参照

  • hat — (^) 累乗
  • sqrt — 平方根
  • sqrtm — 行列の平方根
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Last updated:
Mon Oct 01 17:40:24 CEST 2012