petsc-3.14.6 2021-03-30
PetscDTJacobiNorm
Compute the weighted L2 norm of a Jacobi polynomial.
Synopsis
#include "petscdt.h"
PetscErrorCode PetscDTJacobiNorm(PetscReal alpha, PetscReal beta, PetscInt n, PetscReal *norm)
$\| P^{\alpha,\beta}_n \|_{\alpha,\beta}^2 = \int_{-1}^1 (1 + x)^{\alpha} (1 - x)^{\beta} P^{\alpha,\beta}_n (x)^2 dx.$
Input Arguments
| alpha | - the left exponent > -1
|
| beta | - the right exponent > -1
+ n - the polynomial degree
|
Output Arguments
| norm | - the weighted L2 norm
|
See Also
PetscDTJacobiEval()
Level
beginner
Location
src/dm/dt/interface/dt.c
Index of all DT routines
Table of Contents for all manual pages
Index of all manual pages