Probabilities::CauchyCDFInv Function

Overload List

#SignatureDescription
1double CauchyCDFInv(double p, double m, double b);Cauchy distribution point percent function (PPF).
2void CauchyCDFInv(TDenseMtxVec *P, double m, double b, TDenseMtxVec *Res);Cauchy PPF (vectorized).

Overload 1: double CauchyCDFInv(double p, double m, double b);

Cauchy distribution point percent function (PPF).

#NameTypeDescription
1pdoubleProbability, real value on closed interval [0,1].
2mdoubleLocation parameter, real value.
3bdoubleShape (scale) parameter, real positive value.

Returns: the Cauchy distribution point percent function (PPF) for given parameters b and m. For p outside [0,1] or b <= 0 the result is NAN.

Remarks:

The inverse Cauchy cumulative distribution function (quantile) is

CDF^(-1)(p| m,b)=m+b tan[(p-1/2)pi]

It is the solution x of CDF(x | m,b) = p. Domain: probability p in [0,1], m any real value, scale b > 0. The tails diverge: as p -> 0 the result tends to minus infinity and as p -> 1 to plus infinity. For p < 0, p > 1, or b <= 0 the result is NAN.

See Also: Probabilities::CauchyPDF, Probabilities::CauchyCDF
Declared in Dew::Math::Units::Probabilities · Dew.Math/Units.Probabilities.h · Cross-compiler

Overload 2: void CauchyCDFInv(TDenseMtxVec *P, double m, double b, TDenseMtxVec *Res);

Cauchy PPF (vectorized).

#NameTypeDescription
1PTDenseMtxVec *Defines distribution probabilities, real vector or matrix with values within closed interval [0,1].
2mdoubleLocation parameter, real value.
3bdoubleShape parameter, real positive value.
4ResTDenseMtxVec *After calculation stores the PPF calculated from P, m and b. Length and Complex properties of Res are adjusted automatically to match Length and Complex properties of X.
Declared in Dew::Math::Units::Probabilities · Dew.Math/Units.Probabilities.h · Cross-compiler