Trigamma function for value objects
trigamma.value.RdComputes the trigamma function, the second derivative of lgamma. Useful for Hessian computations involving gamma-related distributions.
Usage
# S3 method for class 'value'
trigamma(x)trigamma.value.RdComputes the trigamma function, the second derivative of lgamma. Useful for Hessian computations involving gamma-related distributions.
# S3 method for class 'value'
trigamma(x)