PETSc version 3.15.5
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