Scilab-Branch-6.1-GIT
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dlgamma
derivative of gammaln function, psi function
Syntax
y = dlgamma(x)
Arguments
- x
real vector
- y
real vector with same size.
Description
dlgamma(x) evaluates, at all the elements of
x the logarithmic derivative of the gamma function
which corresponds also to the derivative of the gammaln function :
x must be real. Also known as the psi
function.
Examples
dlgamma(0.5)
See also
History
| Version | Description |
| 5.4.0 | Overloading allowed for list, mlist, tlist and hypermatrix types. |
| Report an issue | ||
| << delip | Special Functions | ellipj >> |