lgamma
lgamma(n)
Logarithm of the gamma function for real, positive numbers and complex numbers, using Lanczos approximation for numbers and Stirling series for complex numbers.
Try it yourself:
| $1 | lgamma(4)
| |
| $2 | lgamma(1/2)
| |
| $3 | lgamma(i)
| |
| $4 | lgamma(complex(1.1, 2))
|
See also:
All functions