1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
|
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML3.2 EN">
<HTML>
<HEAD> <link rel="canonical" href="http://www.mcs.anl.gov/petsc/petsc-current/docs/manualpages/DT/PetscGaussLobattoLegendreElementGradientCreate.html" />
<META NAME="GENERATOR" CONTENT="DOCTEXT">
<TITLE>PetscGaussLobattoLegendreElementGradientCreate</TITLE>
</HEAD>
<BODY BGCOLOR="FFFFFF">
<div id="version" align=right><b>petsc-3.14.5 2021-03-03</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-3.14.5 v3.14.5 docs/manualpages/DT/PetscGaussLobattoLegendreElementGradientCreate.html "><small>Report Typos and Errors</small></a></div>
<A NAME="PetscGaussLobattoLegendreElementGradientCreate"><H1>PetscGaussLobattoLegendreElementGradientCreate</H1></A>
computes the gradient for a single 1d GLL element
<H3><FONT COLOR="#CC3333">Synopsis</FONT></H3>
<PRE>
#include "petscdt.h"
<A HREF="../Sys/PetscErrorCode.html#PetscErrorCode">PetscErrorCode</A> <A HREF="../DT/PetscGaussLobattoLegendreElementGradientCreate.html#PetscGaussLobattoLegendreElementGradientCreate">PetscGaussLobattoLegendreElementGradientCreate</A>(<A HREF="../Sys/PetscInt.html#PetscInt">PetscInt</A> n,<A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> *nodes,<A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> *weights,<A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> ***AA,<A HREF="../Sys/PetscReal.html#PetscReal">PetscReal</A> ***AAT)
</PRE>
Not Collective
<P>
<H3><FONT COLOR="#CC3333">Input Parameter</FONT></H3>
<TABLE border="0" cellpadding="0" cellspacing="0">
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>n </B></TD><TD>- the number of GLL nodes
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>nodes </B></TD><TD>- the GLL nodes
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>weights </B></TD><TD>- the GLL weights
</TD></TR>
<P>
<H3><FONT COLOR="#CC3333">Output Parameter</FONT></H3>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>AA </B></TD><TD>- the stiffness element
</TD></TR>
<TR><TD WIDTH=40></TD><TD ALIGN=LEFT VALIGN=TOP><B>AAT </B></TD><TD>- the transpose of AA (pass in NULL if you do not need this array)
</TD></TR></TABLE>
<P>
<P>
<H3><FONT COLOR="#CC3333">Notes</FONT></H3>
Destroy this with <A HREF="../DT/PetscGaussLobattoLegendreElementGradientDestroy.html#PetscGaussLobattoLegendreElementGradientDestroy">PetscGaussLobattoLegendreElementGradientDestroy</A>()
<P>
You can access entries in these arrays with AA[i][j] but in memory it is stored in contiguous memory, row oriented
<P>
<H3><FONT COLOR="#CC3333">See Also</FONT></H3>
<A HREF="../DT/PetscDTGaussLobattoLegendreQuadrature.html#PetscDTGaussLobattoLegendreQuadrature">PetscDTGaussLobattoLegendreQuadrature</A>(), <A HREF="../DT/PetscGaussLobattoLegendreElementLaplacianDestroy.html#PetscGaussLobattoLegendreElementLaplacianDestroy">PetscGaussLobattoLegendreElementLaplacianDestroy</A>()
<BR>
<P>
<P><B></B><H3><FONT COLOR="#CC3333">Level</FONT></H3>beginner<BR>
<H3><FONT COLOR="#CC3333">Location</FONT></H3>
</B><A HREF="../../../src/dm/dt/interface/dt.c.html#PetscGaussLobattoLegendreElementGradientCreate">src/dm/dt/interface/dt.c</A>
<BR><A HREF="./index.html">Index of all DT routines</A>
<BR><A HREF="../../index.html">Table of Contents for all manual pages</A>
<BR><A HREF="../singleindex.html">Index of all manual pages</A>
</BODY></HTML>
|
