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<div id="version" align=right><b>petsc-3.10.3 2018-12-18</b></div>
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<A NAME="PetscFEGetTabulation"><H1>PetscFEGetTabulation</H1></A>
Tabulates the basis functions, and perhaps derivatives, at the points provided.
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscfe.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DM/PetscFEGetTabulation.html#PetscFEGetTabulation">PetscFEGetTabulation</A>(<A HREF="../DM/PetscFE.html#PetscFE">PetscFE</A> fem, <A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> npoints, const <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> points[], <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> **B, <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> **D, <A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> **H)
</PRE>
Not collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>fem </B></TD><TD>- The <A HREF="../DM/PetscFE.html#PetscFE">PetscFE</A> object
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>npoints </B></TD><TD>- The number of tabulation points
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>points </B></TD><TD>- The tabulation point coordinates
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Parameters</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>B </B></TD><TD>- The basis function values at tabulation points
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>D </B></TD><TD>- The basis function derivatives at tabulation points
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>H </B></TD><TD>- The basis function second derivatives at tabulation points
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Note</FONT></H3>
<pre>
B[(p*pdim + i)*Nc + c] is the value at point p for basis function i and component c
</pre>
<pre>
D[((p*pdim + i)*Nc + c)*dim + d] is the derivative value at point p for basis function i, component c, in direction d
</pre>
<pre>
H[(((p*pdim + i)*Nc + c)*dim + d)*dim + e] is the value at point p for basis function i, component c, in directions d and e
</pre>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
PetscFERestoreTabulation(), <A HREF="../DM/PetscFEGetDefaultTabulation.html#PetscFEGetDefaultTabulation">PetscFEGetDefaultTabulation</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>intermediate<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/dt/fe/interface/fe.c.html#PetscFEGetTabulation">src/dm/dt/fe/interface/fe.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/dm/dt/fe/impls/basic/febasic.c.html#PetscFEGetTabulation_Basic">PetscFEGetTabulation_Basic in src/dm/dt/fe/impls/basic/febasic.c</A><BR>
<A HREF="../../../src/dm/dt/fe/impls/composite/fecomposite.c.html#PetscFEGetTabulation_Composite">PetscFEGetTabulation_Composite in src/dm/dt/fe/impls/composite/fecomposite.c</A><BR>
src/dm/dt/fe/impls/opencl/feopencl.c:772:PETSC_EXTERN PetscErrorCode PetscFEGetTabulation_Basic(PetscFE, PetscInt, const PetscReal [],
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