| AOData |
| using an AOData database for grid information | Reads an AODatabase and displays the key and segment names |
| complex numbers | sles/ex11f.F |
| Solves a linear system in parallel with SLES |
| DA |
| using distributed arrays | Bratu nonlinear PDE in 2d |
| Bratu nonlinear PDE in 3d |
| Grad-Shafranov solver for one dimensional CHI equilibrium |
| Nonlinear driven cavity with multigrid in 2d |
| Nonlinear Radiative Transport PDE with multigrid in 2d |
| Nonlinear Radiative Transport PDE with multigrid in 3d |
| sles/ex14f.F |
| snes/ex25.c |
| snes/ex5f.F |
| snes/ex5f90.F |
| XXXXX with multigrid and timestepping 2d |
| dynamic libraries | Prints loadable objects from dynamic library |
| error handling |
| using the macro __FUNCT__ to define routine names | Newton methods to solve u'' + u^{2} = f in parallel |
| Using the macro __FUNCT__ to define routine names | Solves a linear system in parallel with SLES |
| ESI |
| basic parallel example | Solves a linear system in parallel with ESI |
| Laplacian, 1d | Solves a linear system in parallel with ESI |
| Fortran90 |
| accessing indices in index set | vec/is/ex3f90.F |
| accessing indices of index set | vec/is/ex1f90.F |
| assembling vectors | vec/ex4f90.F |
| using basic vector routines | vec/ex1f90.F |
| global to local mappings | Demonstrates using ISLocalToGlobalMappings |
| Helmholtz equation | Solves a linear system in parallel with SLES |
| index sets |
| accessing indices from Fortran | vec/is/ex2f.F |
| creating a block index set | Demonstrates creating a blocked index set |
| creating a stride index set | Demonstrates creating a stride index set |
| creating general | Creating a general index set |
| manipulating a block index set | vec/is/ex3f90.F |
| manipulating a general index set | Creating a general index set |
| vec/is/ex1f.F |
| vec/is/ex1f90.F |
| manipulating a stride index set | vec/is/ex2f.F |
| introduction to PETSc | Introductory example that illustrates printing |
| Synchronized printing |
| IS |
| creating a block index set | Demonstrates creating a blocked index set |
| creating a general index set | Creating a general index set |
| creating a stride index set | Demonstrates creating a stride index set |
| Laplacian, 1d | Solves a linear system in parallel with ESI |
| Laplacian, 2d | sles/ex13f90.F |
| Solves a linear system in parallel with SLES |
| Solves a sequence of linear systems with different right-hand-side vectors |
| Solves a variable Poisson problem with SLES |
| local to global mappings | Demonstrates using ISLocalToGlobalMappings |
| Mat |
| loading a binary matrix and vector | Reads a PETSc matrix and vector from a file and reorders it |
| ordering a matrix - loading a binary matrix and vector | Reads a PETSc matrix and vector from a file and reorders it |
| partitioning a matrix | Reads a a simple unstructured grid from a file |
| mathematical functions | Demonstrates various vector routines |
| Matrices |
| inserting elements by blocks | Solves a linear system in parallel with SLES |
| matrix-free methods | u`` + u^{2} = f |
| multicomponent | Nonlinear driven cavity with multigrid in 2d |
| XXXXX with multigrid and timestepping 2d |
| multigrid | Nonlinear Radiative Transport PDE with multigrid in 2d |
| Nonlinear Radiative Transport PDE with multigrid in 3d |
| snes/ex25.c |
| nonlinear problems | Solves the time dependent Bratu problem using pseudo-timestepping |
| ts/ex1f.F |
| Normal equations | Reads a PETSc matrix and vector from a file and solves the normal equations |
| PC |
| registering preconditioners | Solves a linear system in parallel with SLES |
| setting a user-defined shell preconditioner | sles/ex15f.F |
| sles/ex21f.F |
| Solves a linear system in parallel with SLES |
| PetscLog |
| activating/deactivating events for profiling | Augmenting PETSc profiling by add events |
| activating/deactivating events for profiling (basic example) | sys/ex3f.F |
| preloading executable | Reads a PETSc matrix and vector from a file and reorders it |
| profiling multiple stages of code | Solves two linear systems in parallel with SLES |
| The solution of 2 different linear systems with different linear solvers |
| user-defined event profiling | Augmenting PETSc profiling by add events |
| The solution of 2 different linear systems with different linear solvers |
| user-defined event profiling (basic example) | sys/ex3f.F |
| printf |
| in parallel | Synchronized printing |
| synchronized | Synchronized printing |
| printing |
| in parallel | Introductory example that illustrates printing |
| Synchronized printing |
| synchronized | Synchronized printing |
| profiling |
| activating/deactivating events | Augmenting PETSc profiling by add events |
| user-defined event | Augmenting PETSc profiling by add events |
| pseudo-timestepping | Solves the time dependent Bratu problem using pseudo-timestepping |
| ts/ex1f.F |
| shared memory | 2d Bratu problem in shared memory parallel with SNES |
| SLES |
| Additive Schwarz Method (ASM) with user-defined subdomains | Illustrates use of the preconditioner ASM |
| basic parallel example | sles/ex15f.F |
| sles/ex21f.F |
| sles/ex2f.F |
| Solves a linear system in parallel with SLES |
| Solves a tridiagonal linear system |
| basic sequential example | sles/ex13f90.F |
| Solves a variable Poisson problem with SLES |
| customizing the block Jacobi preconditioner | Block Jacobi preconditioner for solving a linear system in parallel with SLES |
| different matrices for linear system and preconditioner | sles/ex6f.F |
| Uses a different preconditioner matrix and linear system matrix in the SLES solvers |
| Laplacian, 2d | sles/ex13f90.F |
| Solves a linear system in parallel with SLES |
| Solves a sequence of linear systems with different right-hand-side vectors |
| Solves a variable Poisson problem with SLES |
| repeatedly solving linear systems | sles/ex6f.F |
| Solves a sequence of linear systems with different right-hand-side vectors |
| Solves two linear systems in parallel with SLES |
| The solution of 2 different linear systems with different linear solvers |
| setting a user-defined monitoring routine | sles/ex2f.F |
| solving a Helmholtz equation | sles/ex11f.F |
| Solves a linear system in parallel with SLES |
| solving a linear system | Reads a PETSc matrix and vector from a file and solves a linear system |
| Reads a PETSc matrix and vector from a file and solves the normal equations |
| solving a system of linear equations | sles/ex1f.F |
| Solves a linear system in parallel with SLES |
| Solves a tridiagonal linear system with SLES |
| writing a user-defined nonlinear solver | sles/ex14f.F |
| SNES |
| basic parallel example | Newton methods to solve u'' + u^{2} = f in parallel |
| basic uniprocessor example | Newton method to solve u'' + u^{2} = f, sequentially |
| Newton's method to solve a two-variable system, sequentially |
| snes/ex1f.F |
| different matrices for the Jacobian and preconditioner | u`` + u^{2} = f |
| matrix-free methods | u`` + u^{2} = f |
| parallel Bratu example | 2d Bratu problem in shared memory parallel with SNES |
| Bratu nonlinear PDE in 2d |
| Bratu nonlinear PDE in 3d |
| snes/ex5f.F |
| snes/ex5f90.F |
| parallel CHI equilibrium | Grad-Shafranov solver for one dimensional CHI equilibrium |
| setting a user-defined monitoring routine | Newton method to solve u'' + u^{2} = f, sequentially |
| Newton methods to solve u'' + u^{2} = f in parallel |
| solving a system of nonlinear equations | Nonlinear Radiative Transport PDE with multigrid in 2d |
| Nonlinear Radiative Transport PDE with multigrid in 3d |
| snes/ex25.c |
| solving a system of nonlinear equations (parallel multicomponent example) | Nonlinear driven cavity with multigrid in 2d |
| XXXXX with multigrid and timestepping 2d |
| user-provided preconditioner | u`` + u^{2} = f |
| stride |
| creating a stride index set | Demonstrates creating a stride index set |
| TS |
| diffusion equation | Solves a simple time-dependent linear PDE (the heat equation) |
| heat equation | Solves a simple time-dependent linear PDE (the heat equation) |
| pseudo-timestepping | Solves the time dependent Bratu problem using pseudo-timestepping |
| ts/ex1f.F |
| time-dependent linear problems | Solves a simple time-dependent linear PDE (the heat equation) |
| time-dependent nonlinear problems | Solves a time-dependent nonlinear PDE |
| ts/ex2f.F |
| user-provided preconditioner | u`` + u^{2} = f |
| vectors |
| arrays | vec/ex4f90.F |
| arrays of vectors | vec/ex4f.F |
| assembling | vec/ex2f.F |
| vec/ex4f.F |
| assembling vectors | Builds a parallel vector with 1 component on the firstprocessor, 2 on the second, etc |
| Demonstrates use of VecCreateGhost() |
| Tests PetscObjectPublish() |
| vec/ex14f.F |
| vec/ex4f90.F |
| vec/ex9f.F |
| assembling vectors with local ordering | Demonstrates using a local ordering to set values into a parallel vector |
| basic routines | Basic vector routines |
| Demonstrates the AMS Memory Snooper viewing |
| Demonstrates various vector routines |
| vec/ex1f.F |
| drawing vectors | Parallel vector layout |
| vec/ex3f.F |
| ghost padding | Demonstrates use of VecCreateGhost() |
| vec/ex14f.F |
| vec/ex9f.F |
| local access to | Parallel vector layout |
| norms of sub-vectors | Demonstrates VecStrideNorm() |
| vec/ex11f.F |
| setting values | Parallel vector layout |
| sub-vectors | Demonstrates VecStrideScatter() and VecStrideGather() |
| using basic vector routines | vec/ex1f90.F |
| Vectors |
| loading a binary vector | Reads a PETSc matrix and vector from a file and reorders it |