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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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<title>Documentation</title>
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<div id="version" align=right><b>petsc-3.7.5 2017-01-01</b></div>
<div id="bugreport" align=right><a href="mailto:petsc-maint@mcs.anl.gov?subject=Typo or Error in Documentation &body=Please describe the typo or error in the documentation: petsc-3.7.5 v3.7.5 docs/index.html "><small>Report Typos and Errors</small></a></div>
<h1>Documentation</h1>
<div id="main">
<p>
<b>PETSc</b> is a sophisticated package and fully understanding its usage
requires time. However, application programmers can easily begin to
use <b>PETSc</b> from a high level and then gradually learn more
details according to their needs. Users should read the users
manual before attempting to do any serious coding with <b>PETSc</b>!
</p>
<ul>
<li><b>PETSc users manual</b> - <a href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manual.pdf">pdf (fully searchable with hyperlinks)</a></li>
<li><b>TAO users manual</b> - <a href="http://www.mcs.anl.gov/petsc/petsc-current/docs/tao_manual.pdf">pdf (fully searchable with hyperlinks)</a></li>
<li><a href="manualpages/help.html">Index</a> of all help topics</li>
<li><a href="manualpages/singleindex.html">Index</a> of all manual pages</li>
<li><a href="manualpages/Sys/UsingFortran.html">Strategies</a> for using PETSc with Fortran</li>
</ul>
<p>
<b>PETSc Manual Pages and Examples</b>
<a href="http://www.mcs.anl.gov/mpi/www">MPI</a>
</p>
<ul>
<li>
<a href="manualpages/Vec/index.html">Vector Operations (Vec)</a>
<ul>
<li><a href="manualpages/PF/index.html">Defining your own mathematical functions (PF)</a></li>
</ul>
</li>
<li>
<a href="manualpages/Mat/index.html">Matrix Operations (Mat)</a>
<ul>
<li><a href="manualpages/MatOrderings/index.html">Matrix colorings (MatColoring), orderings (MatOrdering), and partitionings (MatPartitioning)</a></li>
<li><a href="manualpages/MatFD/index.html">Finite difference computation of Jacobians (MatFD)</a></li>
</ul>
<br>
</li>
<li>
Data and grid management
<ul>
<li><a href="manualpages/PetscSF/index.html">Star Forest Communication (PetscSF)</a></li>
<li><a href="manualpages/IS/index.html">Index sets (IS)</a></li>
<li><a href="manualpages/DM/index.html">Data Management (DM) between Vec and Mat, and the distributed mesh datastructures</a></li>
<li><a href="manualpages/AO/index.html">Application Orderings (AO)</a></li>
</ul>
<br>
</li>
<li>
<a href="manualpages/KSP/index.html">Linear Solvers (KSP)</a>
<ul>
<li><a href="linearsolvertable.html">Summary table of all linear solvers</a></li>
<li><a href="manualpages/PC/index.html">Preconditioners (PC)</a></li>
<li><a href="manualpages/KSP/index.html">Krylov Subspace Methods (KSP)</a></li>
</ul>
<br>
</li>
<li>
<a href="manualpages/SNES/index.html">Nonlinear Solvers (SNES)</a>
<ul>
<li><a href="nonlinearsolvertable.html">Summary table of all nonlinear solvers</a></li>
<li><a href="manualpages/SNES/MatCreateSNESMF.html">Matrix-free nonlinear solvers (MATMFFD)</a></li>
</ul>
<br>
</li>
<li><a href="manualpages/TS/index.html">Time Stepping (TS) ODE solvers</a></li>
<br>
<li>
<a href="manualpages/Tao/index.html">Optimization Solvers (Tao)</a>
<ul>
<li><a href="manualpages/TaoLineSearch/index.html"> Optimization LineSearch Solver (TaoLineSearch)</a></li>
</ul>
<br>
</li>
<li>
Utilities
<ul>
<li><a href="manualpages/Viewer/index.html">Viewing Objects</a></li>
<li><a href="manualpages/Draw/index.html">Graphics (Draw)</a></li>
<li><a href="manualpages/Sys/index.html">System Routines (Options, IO, utilities)</a></li>
<li><a href="manualpages/Profiling/index.html">Profiling and Logging</a></li>
</ul>
</li>
</ul>
<p>
The manual pages are split into four categories; we recommend that you begin
with basic functionality and then gradually explore more sophisticated library
features.
</p>
<ul>
<li><em>Beginner</em> - Basic usage</li>
<li><em>Intermediate</em> - Setting options for algorithms and data structures</li>
<li><em>Advanced</em> - Setting more advanced options and customization</li>
<li><em>Developer</em> - Interfaces intended primarily for library developers</li>
</ul>
<h3><a name="Supplementary">Supplementary Documentation</a></h3>
<ul>
<li><a href="installation.html">Installation</a> - detailed instructions for installing PETSc</li>
<li><a href="changes/index.html">Changes</a> - changes and new features in recent versions of PETSc</li>
<li><a href="bugreporting.html">Bug Reporting</a> - details on how to report bugs</li>
<li><a href="codemanagement.html">Code Management</a> - hints for efficient management of large-scale application codes</li>
<li><a href="faq.html">FAQ</a> - frequently asked questions about PETSc</li>
<li><a href="license.html">License</a> - statement of the PETSc copyright</li>
<li><a href="../README.Debian.gz">README.Debian</a> - a description of the PETSc Debian package</li>
</ul>
</div>
</body>
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