DAAppSetADElementFunctionGradient

Set routine that evaluates the local part of a function on a 2-dimensional DA with 1 degree of freedom.

Synopsis

int DAAppSetADElementFunctionGradient(TAO_APPLICATION daapplication, 
                                     int (*funcgrad)(int[2],DERIV_TYPE[4],DERIV_TYPE*,void*), 
                                     int flops, void *ctx)
Collective on TAO_APPLICATION

Input Parameters

daapp - the TAO_DA_APPLICATION solver context
funcgrad - local function gradient routine
flops - the number of flops done performed in the funcgrad routine
fgctx - [optional] user-defined context for private data for the evaluation.

Calling sequence of funcgrad

    int funcgrad(int coordinates[2], PetscScalar x[4], double *f, PetscScalar g[4], void* ctx)

coord - the global coordinates [i j] in each direction of the DA
x - the variables on the DA ( da[j][i], da[j][j+1], da[j+1][i], da[j+1][i+1] ) (bottom left, bottom right, top left, top right)
g - the ADIC differentiated objective function with respect to each variable
ctx - user defined context

Keywords

DA, gradient, ADIC

See Also

DAAppSetObjectiveAndGradientRoutine(), DAAppSetElementObjectiveAndGradientRoutine()

Examples

src/petsctao/gridapplication/examples/combustion3.c
src/petsctao/gridapplication/examples/eptorsion3.c
src/petsctao/gridapplication/examples/jbearing3.c
src/petsctao/gridapplication/examples/minsurf3.c

Level:intermediate
Location:src/petsctao/gridapplication/daadic/adelement.c
TAO DA Application Index
Table of Contents

Examples

src/petsctao/gridapplication/examples/eptorsion3.c.html

Examples

src/petsctao/gridapplication/examples/jbearing3.c.html

Examples

src/petsctao/gridapplication/examples/minsurf3.c.html

Examples

src/petsctao/gridapplication/examples/combustion3.c.html