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Scilabヘルプ >> Special Functions > erf

erf

誤差関数.

呼び出し手順

y = erf(x)

パラメータ

x

実数ベクトルまたは行列

y

(xと同じ大きさの)実数ベクトルまたは行列

説明

erf は誤差関数を計算します:

deff('y=f(t)','y=exp(-t^2)');
erf(0.5)-2/sqrt(%pi)*intg(0,0.5,f)

x = [1+2*%i, -1+2*%i, 1e-6+2e-6*%i,0+2*%i];
a=erf(x)

1-erfc(x)

参照

  • calerf — 誤差関数を計算する.
  • cdfnor — 累積分布関数: 正規分布
  • erfc — 相補誤差関数.
  • erfcx — スケーリング付き相補誤差関数.
  • erfinv — 逆誤差関数
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Last updated:
Fri Apr 11 14:18:57 CEST 2014