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VBS教程:函数-派生数学函数

2020-06-27 12:32VBS教程网 VBS

这篇文章为大家介绍了vbs函数之派生数学函数,下列是由固有数学函数派生的非固有数学函数,有需要的童鞋可以参考一下

派生数学函数

下列是由固有数学函数派生的非固有数学函数:

函数

派生的等效公式

Secant(正割)

Sec(X) = 1 / Cos(X)

Cosecant(余割)

Cosec(X) = 1 / Sin(X)

Cotangent(余切)

Cotan(X) = 1 / Tan(X)

Inverse Sine(反正弦)

Arcsin(X) = Atn(X / Sqr(-X * X + 1))

Inverse Cosine(反余弦)

Arccos(X) = Atn(-X / Sqr(-X * X + 1)) + 2 * Atn(1)

Inverse Secant(反正割)

Arcsec(X) = Atn(X / Sqr(X * X - 1)) + Sgn((X) -1) * (2 * Atn(1))

Inverse Cosecant(反余割)

Arccosec(X) = Atn(X / Sqr(X * X - 1)) + (Sgn(X) - 1) * (2 * Atn(1))

Inverse Cotangent(反余切)

Arccotan(X) = Atn(X) + 2 * Atn(1)

Hyperbolic Sine(双曲正弦)

HSin(X) = (Exp(X) - Exp(-X)) / 2

Hyperbolic Cosine(双曲余弦)

HCos(X) = (Exp(X) + Exp(-X)) / 2

Hyperbolic Tangent(双曲正切)

HTan(X) = (Exp(X) - Exp(-X)) / (Exp(X) + Exp(-X))

Hyperbolic Secant(双曲正割)

HSec(X) = 2 / (Exp(X) + Exp(-X))

Hyperbolic Cosecant(双曲余割)

HCosec(X) = 2 / (Exp(X) - Exp(-X))

Hyperbolic Cotangent(双曲余切)

HCotan(X) = (Exp(X) + Exp(-X)) / (Exp(X) - Exp(-X))

Inverse Hyperbolic Sine(反双曲正弦)

HArcsin(X) = Log(X + Sqr(X * X + 1))

Inverse Hyperbolic Cosine(反双曲余弦)

HArccos(X) = Log(X + Sqr(X * X - 1))

Inverse Hyperbolic Tangent(反双曲正切)

HArctan(X) = Log((1 + X) / (1 - X)) / 2

Inverse Hyperbolic Secant(反双曲正割)

HArcsec(X) = Log((Sqr(-X * X + 1) + 1) / X)

Inverse Hyperbolic Cosecant(反双曲余割)

HArccosec(X) = Log((Sgn(X) * Sqr(X * X + 1) +1) / X)

Inverse Hyperbolic Cotangent(反双曲余切)

HArccotan(X) = Log((X + 1) / (X - 1)) / 2

以 N 为底的对数

LogN(X) = Log(X) / Log(N)

 

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