petsc-3.14.6 2021-03-30
PetscGaussLobattoLegendreIntegrate
Compute the L2 integral of a function on the GLL points
Synopsis
#include "petscdt.h"
PetscErrorCode PetscGaussLobattoLegendreIntegrate(PetscInt n,PetscReal *nodes,PetscReal *weights,const PetscReal *f,PetscReal *in)
Not Collective
Input Parameter
| n | - the number of GLL nodes
|
| nodes | - the GLL nodes
|
| weights | - the GLL weights
|
| f | - the function values at the nodes
|
Output Parameter
| in | - the value of the integral
|
See Also
PetscDTGaussLobattoLegendreQuadrature()
Level
beginner
Location
src/dm/dt/interface/dt.c
Examples
src/ksp/ksp/tutorials/ex68.c.html
src/ksp/ksp/tutorials/ex69.c.html
Index of all DT routines
Table of Contents for all manual pages
Index of all manual pages