trigamma¶
Purpose¶
Computes trigamma function.
Format¶
-
y =
trigamma
(x)¶ - Parameters:
x (MxN matrix or N-dimensional array) – data
- Returns:
y (MxN matrix or N-dimensional array) – trigamma.
Remarks¶
The trigamma()
function is the second derivative of the log of the gamma function with respect to its argument.