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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="PetscSpaceEvaluate"><H1>PetscSpaceEvaluate</H1></A>
Evaluate the basis functions and their derivatives (jet) at each point
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscfe.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DM/PetscSpaceEvaluate.html#PetscSpaceEvaluate">PetscSpaceEvaluate</A>(<A HREF="../DM/PetscSpace.html#PetscSpace">PetscSpace</A> sp, <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>
<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>sp </B></TD><TD>- The <A HREF="../DM/PetscSpace.html#PetscSpace">PetscSpace</A>
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>npoints </B></TD><TD>- The number of evaluation points, in reference coordinates
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>points </B></TD><TD>- The 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 function evaluations in a npoints x nfuncs array
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>D </B></TD><TD>- The derivative evaluations in a npoints x nfuncs x dim array
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>H </B></TD><TD>- The second derivative evaluations in a npoints x nfuncs x dim x dim array
</TD></TR></TABLE>
<P>
Note: Above nfuncs is the dimension of the space, and dim is the spatial dimension. The coordinates are given
on the reference cell, not in real space.
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/PetscFEGetTabulation.html#PetscFEGetTabulation">PetscFEGetTabulation</A>(), <A HREF="../DM/PetscFEGetDefaultTabulation.html#PetscFEGetDefaultTabulation">PetscFEGetDefaultTabulation</A>(), <A HREF="../DM/PetscSpaceCreate.html#PetscSpaceCreate">PetscSpaceCreate</A>()
<BR><P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>advanced<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/dt/space/interface/space.c.html#PetscSpaceEvaluate">src/dm/dt/space/interface/space.c</A>
<P><H3><FONT COLOR="CC3333">Implementations</FONT></H3><A HREF="../../../src/dm/dt/space/impls/point/spacepoint.c.html#PetscSpaceEvaluate_Point">PetscSpaceEvaluate_Point in src/dm/dt/space/impls/point/spacepoint.c</A><BR>
<A HREF="../../../src/dm/dt/space/impls/poly/spacepoly.c.html#PetscSpaceEvaluate_Polynomial">PetscSpaceEvaluate_Polynomial in src/dm/dt/space/impls/poly/spacepoly.c</A><BR>
<A HREF="../../../src/dm/dt/space/impls/subspace/spacesubspace.c.html#PetscSpaceEvaluate_Subspace">PetscSpaceEvaluate_Subspace in src/dm/dt/space/impls/subspace/spacesubspace.c</A><BR>
<A HREF="../../../src/dm/dt/space/impls/tensor/spacetensor.c.html#PetscSpaceEvaluate_Tensor">PetscSpaceEvaluate_Tensor in src/dm/dt/space/impls/tensor/spacetensor.c</A><BR>
<BR><A HREF="./index.html">Index of all DM routines</A>
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