PETSc version 3.15.5
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