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Searched refs:analytic (Results 1 – 6 of 6) sorted by relevance

/petsc/src/dm/dt/tests/
H A Dex3.c114 …const PetscReal analytic[14] = {0.250000000000000, 0.210657251225806988108092302182988001695680805… in main() local
134 …tscAbsReal(integral - analytic[f]) > PetscMax(epsilon, PetscPowRealInt(10.0, -digits)) || PetscIsI… in main()
135 …MT " is wrong: %g (%g)\n", f + 1, (double)integral, (double)PetscAbsReal(integral - analytic[f]))); in main()
143 …analytic[f]) > PetscPowRealInt(10.0, -digits)) PetscCall(PetscPrintf(PETSC_COMM_SELF, "The integra… in main()
/petsc/src/tao/unconstrained/tutorials/
H A Dconvergencestudyburger.m6 % Uses for the initial guess the analytic solution; if one uses the other initial guess the code …
/petsc/doc/manual/
H A Dsnes.md183 However, it allows us to check the analytic Jacobian we construct in
187 and the analytic Jacobian becomes merely the preconditioner. Even if the
188 analytic Jacobian is incorrect, it is likely that the finite difference
190 verify the analytic Jacobian. Moreover, if the analytic Jacobian is
1225 Of course, we are cheating a bit. If we do not have an analytic formula
/petsc/doc/tutorials/physics/
H A Dguide_to_stokes.md322 …inite difference approximation to the Jacobian and compares that to the analytic Jacobian. We igno…
350 …he code. However, PETSc will also print out the differences between the analytic and approximate J…
/petsc/share/petsc/datafiles/meshes/
H A Dtestcase3D.cas4739 (species/analytic-jacobian? #t)
4863 (species/equil-isat/analytic-sens? #f)
/petsc/doc/
H A Dpetsc.bib9722 derivation of the analytic flux Jacobian can become quite complicated depending on
30908 title = {Introduction to real-analytic sets and real-analytic maps},