logisticv

double logisticv(double x, double m, double b);

Returns the critical point of the Logistic random variable distribution function with mean m and beta b associated with probability p.

Parameters:
xCummulative probability for the critical point.
mMean parameter.
bScale parameter.

Returns:
x such that P(X ≤ x | m, b) = p

Errors:
NUMERICS_ERROR is raised if b ≤ 0, p ≤ 0, or p ≥ 1

Usage:
double x = logisticv(.5, 1.5, 2.75)

Header:
#include "contdist.h"