:orphan:
# PetscGaussLobattoLegendreElementAdvectionDestroy
frees the advection stiffness for a single 1d GLL element created with `PetscGaussLobattoLegendreElementAdvectionCreate()`
## Synopsis
```
#include "petscdt.h"
PetscErrorCode PetscGaussLobattoLegendreElementAdvectionDestroy(PetscInt n, PetscReal *nodes, PetscReal *weights, PetscReal ***AA)
```
Not Collective
## Input Parameters
- ***n -*** the number of GLL nodes
- ***nodes -*** the GLL nodes
- ***weights -*** the GLL weights
- ***A -*** advection
## See Also
`PetscDTGaussLobattoLegendreQuadrature()`, `PetscGaussLobattoLegendreElementAdvectionCreate()`
## Level
beginner
## Location
src/dm/dt/interface/dt.c
## Examples
src/tao/unconstrained/tutorials/burgers_spectral.c
src/tao/unconstrained/tutorials/spectraladjointassimilation.c
src/ts/tutorials/ex50.c
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[Edit on GitLab](https://gitlab.com/petsc/petsc/-/edit/release/src/dm/dt/interface/dt.c)
[Index of all DT routines](index.md)
[Table of Contents for all manual pages](/manualpages/index.md)
[Index of all manual pages](/manualpages/singleindex.md)