------------------------------------------------------------------------ IMSL Name: AKERP0/DKERP0 (Single/Double precision version) Revised: May 1, 1991 Purpose: Evaluate the derivative of the Kelvin function of the second kind, ker, of order zero. Usage: AKERP0(X) Arguments: X - Argument for which the function value is desired. (Input) It must be nonnegative. AKERP0 - Function value. (Output) GAMS: C10c Chapter: SFUN/LIBRARY Kelvin Functions Page No.: SFUN/LIBRARY User's Manual page 152