Searched refs:X_0 (Results 1 – 3 of 3) sorted by relevance
| /petsc/src/ts/utils/dmplexlandau/tutorials/ |
| H A D | ex1f90.F90 | 18 Vec X, X_0
35 PetscCallA(VecDuplicate(X, X_0, ierr))
36 PetscCallA(VecCopy(X, X_0, ierr))
77 PetscCallA(VecAXPY(X, scalar, X_0, ierr))
81 PetscCallA(VecDestroy(X_0, ierr))
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| H A D | ex2.c | 28 Vec X_0; member
281 if (!rectx->X_0) { in testStable()
282 PetscCall(VecDuplicate(X, &rectx->X_0)); in testStable()
283 PetscCall(VecCopy(X, rectx->X_0)); in testStable()
285 PetscCall(VecAXPY(X, -1.0, rectx->X_0)); in testStable()
308 PetscCall(VecDestroy(&rectx->X_0)); in testStable()
309 rectx->X_0 = NULL; in testStable()
548 rectx->X_0 = NULL; in ProcessREOptions()
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| /petsc/doc/manual/ |
| H A D | tao.md | 544 ||g(X)||/|g(X_0)| &\leq& \epsilon_{gttol},
549 $X^*$ and $X_0$ is the initial guess. $X^*$ is
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