.- help for ^trigamma^ (STB-44: dm60) .- Trigamma function ----------------- ^trigamma^ varname [^if^] [^in^]^,^ ^g^enerate^(^newvar^)^ ^trigami^ # Description ----------- ^trigamma^ provides a numeric approximation to the second derivative of the log-gamma function. Trigamma values are calculated for every value listed in the variable listed after the command. ^trigami^ is the immediate form of ^trigamma^. The user inputs a number after the command; the formatted calculated value is displayed directly underneath. Required Option for trigamma --------------------------- ^generate(^varname^)^ is used by the user to name a new variable containing the trigamma values. Author ------ Joseph Hilbe Arizona State University hilbe@@asu.edu Also see -------- STB: dm60 (STB-45) On-line: ^help^ for @functions@