PetscDTJacobiNorm#

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 Parameters#

• alpha - the left exponent > -1

• beta - the right exponent > -1

• n - the polynomial degree

Output Parameter#

• norm - the weighted L2 norm

See Also#

PetscQuadrature, PetscDTJacobiEval()

Level#

beginner

Location#

src/dm/dt/interface/dt.c

Index of all DT routines
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Index of all manual pages