Evaluates the gamma probability density function.

Parameters

x

A double scalar value representing the argument at which the function is to be evaluated.

a

A double scalar value representing the shape parameter. This must be positive.

b

A double scalar value representing the scale parameter. This must be positive.

Return Value

A double scalar value, the probability density function at x.

See Also

Cdf Class | Imsl.Stat Namespace

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