<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> <!--Converted with LaTeX2HTML 2012 (1.2) original version by: Nikos Drakos, CBLU, University of Leeds * revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan * with significant contributions from: Jens Lippmann, Marek Rouchal, Martin Wilck and others --> <HTML> <HEAD> <TITLE>csclip -- Reduce to a submatrix</TITLE> <META NAME="description" CONTENT="csclip -- Reduce to a submatrix"> <META NAME="keywords" CONTENT="userhtml"> <META NAME="resource-type" CONTENT="document"> <META NAME="distribution" CONTENT="global"> <META NAME="Generator" CONTENT="LaTeX2HTML v2012"> <META HTTP-EQUIV="Content-Style-Type" CONTENT="text/css"> <LINK REL="STYLESHEET" HREF="userhtml.css"> <LINK REL="next" HREF="node34.html"> <LINK REL="previous" HREF="node32.html"> <LINK REL="up" HREF="node22.html"> <LINK REL="next" HREF="node34.html"> </HEAD> <BODY > <!--Navigation Panel--> <A NAME="tex2html653" HREF="node34.html"> <IMG WIDTH="37" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="next" SRC="next.png"></A> <A NAME="tex2html649" HREF="node22.html"> <IMG WIDTH="26" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="up" SRC="up.png"></A> <A NAME="tex2html643" HREF="node32.html"> <IMG WIDTH="63" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="previous" SRC="prev.png"></A> <A NAME="tex2html651" HREF="node1.html"> <IMG WIDTH="65" HEIGHT="24" ALIGN="BOTTOM" BORDER="0" ALT="contents" SRC="contents.png"></A> <BR> <B> Next:</B> <A NAME="tex2html654" HREF="node34.html">clean_zeros Eliminate</A> <B> Up:</B> <A NAME="tex2html650" HREF="node22.html">Sparse Matrix class</A> <B> Previous:</B> <A NAME="tex2html644" HREF="node32.html">cscnv Convert</A> <B> <A NAME="tex2html652" HREF="node1.html">Contents</A></B> <BR> <BR> <!--End of Navigation Panel--> <H3><A NAME="SECTION000421100000000000000"> csclip -- Reduce to a submatrix</A> </H3> <PRE> call a%csclip(b,info[,& & imin,imax,jmin,jmax,rscale,cscale]) </PRE> <P> Returns the submatrix <code>A(imin:imax,jmin:jmax)</code>, optionally rescaling row/col indices to the range <code>1:imax-imin+1,1:jmax-jmin+1</code>. <DL> <DT><STRONG>Type:</STRONG></DT> <DD>Asynchronous. </DD> <DT><STRONG><B>On Entry</B></STRONG></DT> <DD> </DD> <DT><STRONG>a</STRONG></DT> <DD>the sparse matrix. <BR> A variable of type <code>psb_Tspmat_type</code>. <BR> Scope: <B>local</B>. <BR></DD> <DT><STRONG>imin,imax,jmin,jmax</STRONG></DT> <DD>Minimum and maximum row and column indices. <BR> Type: optional. </DD> <DT><STRONG>rscale,cscale</STRONG></DT> <DD>Whether to rescale row/column indices. Type: optional. </DD> </DL> <DL> <DT><STRONG><B>On Return</B></STRONG></DT> <DD> </DD> <DT><STRONG>b</STRONG></DT> <DD>A copy of a submatrix of <code>a</code>. <BR> A variable of type <code>psb_Tspmat_type</code>. </DD> <DT><STRONG>info</STRONG></DT> <DD>Return code. </DD> </DL> <P> <BR><HR> </BODY> </HTML>