Inverse of gamma distribution

Returns the inverse of the cumulative Gamma distribution.

For more information on the cumulative Gamma distribution function, see GammaDistribution.

Syntax

InverseGammaDistribution (x, Alpha, Beta)

Where:

x is the value at which you want to evaluate the distribution.

Alpha is a distribution parameter.

Beta is a distribution parameter.

Usage Notes

The following conditions are invalid:

• Either alpha or beta is nonnumeric
• Either alpha £ 0 or beta £ 0
• x < 0 or x > 1