# Vector Operations (Vec)

  PETSc vectors (`Vec`) are used to store the field variables
in PDE-based (or other) simulations. Users guide chapter: [](ch_vectors)

<A HREF="../../../../src/vec/vec/tutorials/index.html">Examples</A> <BR>


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Source files
<p><a href="vecs.c.html">vecs.c</a><br>
<a href="comb.c.html">comb.c</a><br>
<a href="vecio.c.html">vecio.c</a><br>
<a href="projection.c.html">projection.c</a><br>
<a href="vscat.c.html">vscat.c</a><br>
<a href="vecstash.c.html">vecstash.c</a><br>
<a href="vinv.c.html">vinv.c</a><br>
<a href="vsection.c.html">vsection.c</a><br>
<a href="vecglvis.c.html">vecglvis.c</a><br>

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Directories
<p><a href="matlab/index.html">matlab</a><br>
<a href="ftn-custom/index.html">ftn-custom</a><br>
<a href="tagger/index.html">tagger</a><br>