slepc-main 2024-11-22
FNPhiSetIndex
Sets the index of the phi-function.
Synopsis
#include "slepcfn.h"
PetscErrorCode FNPhiSetIndex(FN fn,PetscInt k)
Logically Collective
Input Parameters
| fn | - the math function context
|
| k | - the index
|
Notes
The phi-functions are defined as follows. The default is k=1.
phi_0(x) = exp(x)
phi_1(x) = (exp(x)-1)/x
phi_k(x) = (phi_{k-1}(x)-1/(k-1)!)/x
See Also
FNPhiGetIndex()
Level
intermediate
Location
src/sys/classes/fn/impls/phi/fnphi.c
Examples
src/mfn/tutorials/ex39.c
Index of all FN routines
Table of Contents for all manual pages
Index of all manual pages