Class C7c ... Psi function

• Parent class.
• Top of Tree

Modules for class C7c

• BESSEL C routines for evaluation of Bessel and hypergeometric functions of a real argum ...

• CPSI Psi (digamma) of complex argument.
• DPSI (PSI) Psi (digamma) of double precision real argument.
• DPSIFN (PSIFN) Derivatives of the Psi function.
• PSI (DPSI) Psi (digamma) of real argument.
• PSIFN (DPSIFN) Derivatives of the Psi function.

• CPSI Psi (digamma) of complex argument.
• DPSI (PSI) Psi (digamma) of real argument.
• PSI (DPSI) Psi (digamma) of real argument.

• DPSI (PSI) Logarithmic derivative of the gamma function.
• PSI (DPSI) Logarithmic derivative of the gamma function.

• S14ACF Psi (x) - ln x.
• S14ADF Scaled derivatives of psi (x).

• NAG_COMPLEX_POLYGAMMA Derivative of the psi function psi(z) for complex z and k=0,1,...4.
• NAG_REAL_POLYGAMMA Derivative of the psi function psi(x) for real x and k=0,1,...6.

• CPSI Compute the Psi (or Digamma) function.
• DPSI (PSI) Compute the Psi (or Digamma) function.
• DPSIFN (PSIFN) Compute derivatives of the Psi function.
• PSI (DPSI) Compute the Psi (or Digamma) function.
• PSIFN (DPSIFN) Compute derivatives of the Psi function.

• PSI Evaluates the logarithmic derivative of the gamma function, psi(x) = d/dx (gamma ...

• 610 PSIFN: a Fortran subprogram for calculating derivatives of the psi function. A d ...