#include "slepcfn.h" PetscErrorCode FNCombineSetChildren(FN fn,FNCombineType comb,FN f1,FN f2)Logically Collective
| fn | - the math function context | |
| comb | - how to combine the functions (addition, multiplication, division or composition) | |
| f1 | - first function | |
| f2 | - second function |