petsc-3.6.2 2015-10-02
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# PetscDualSpaceApply

Apply a functional from the dual space basis to an input function

### Synopsis

    #include "petscfe.h"
    PetscErrorCode PetscDualSpaceApply(PetscDualSpace sp, PetscInt f, PetscFECellGeom *geom, PetscInt numComp, PetscErrorCode (*func)(PetscInt, const PetscReal [], PetscInt, PetscScalar *, void *), void *ctx, PetscScalar *value)

### Input Parameters

| sp | - The PetscDualSpace object
| f | - The basis functional index
| geom | - A context with geometric information for this cell, we use v0 (the initial vertex) and J (the Jacobian)
| numComp | - The number of components for the function
| func | - The input function
| ctx | - A context for the function

### Output Parameter

value -numComp output values

### See Also

PetscDualSpaceCreate()

Level:developer
Location: src/dm/dt/interface/dtfe.c
Index of all DM routines
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Index of all manual pages