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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/manualpages/DM/PetscDTReconstructPoly.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscDTReconstructPoly"><H1>PetscDTReconstructPoly</H1></A>
create matrix representing polynomial reconstruction using cell intervals and evaluation at target intervals
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdt.h"
PetscErrorCode PetscDTReconstructPoly(PetscInt degree,PetscInt nsource,const PetscReal *sourcex,PetscInt ntarget,const PetscReal *targetx,PetscReal *R)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Arguments</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>degree </B></TD><TD>- degree of reconstruction polynomial
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>nsource </B></TD><TD>- number of source intervals
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>sourcex </B></TD><TD>- sorted coordinates of source cell boundaries (length nsource+1)
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>ntarget </B></TD><TD>- number of target intervals
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>targetx </B></TD><TD>- sorted coordinates of target cell boundaries (length ntarget+1)
</TD></TR></TABLE>
<P>
<H3><FONT COLOR="#CC3333">Output Arguments</FONT></H3>
<DT><B>R </B> -reconstruction matrix, utarget = sum_s R[t*nsource+s] * usource[s]
<br>
<P>
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DM/PetscDTLegendreEval.html#PetscDTLegendreEval">PetscDTLegendreEval</A>()
<BR><P><B><P><B><FONT COLOR="#CC3333">Level:</FONT></B>advanced
<BR><FONT COLOR="#CC3333">Location:</FONT></B><A HREF="../../../src/dm/dt/interface/dt.c.html#PetscDTReconstructPoly">src/dm/dt/interface/dt.c</A>
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