Function gamma
Compute the gamma function of a value using Lanczos approximation for small values, and an extended Stirling approximation for large values.
For matrices, the function is evaluated element wise.
Syntax
gamma(n)
Parameters
Parameter | Type | Description |
---|---|---|
n |
number | Array | Matrix | A real or complex number |
Returns
Type | Description |
---|---|
number | Array | Matrix | The gamma of n |
Examples
gamma(5); // returns 24
gamma(-0.5); // returns -3.5449077018110335
gamma(i); // returns -0.15494982830180973 - 0.49801566811835596i