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Salvatore Filippone
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<!--Converted with LaTeX2HTML 2008 (1.71)
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<!--Converted with LaTeX2HTML 2012 (1.2)
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original version by: Nikos Drakos, CBLU, University of Leeds
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* revised and updated by: Marcus Hennecke, Ross Moore, Herb Swan
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* with significant contributions from:
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Jens Lippmann, Marek Rouchal, Martin Wilck and others -->
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<HTML>
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<TITLE>psb_normi -- Infinity Norm of Sparse Matrix</TITLE>
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<TITLE>psb_norm1 -- 1-Norm of Sparse Matrix</TITLE>
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HREF="node60.html">psb_spmm Sparse</A>
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HREF="node58.html">psb_genrm2s Generalized</A>
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<B> <A NAME="tex2html969"
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HREF="node1.html">Contents</A></B>
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<BR>
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<!--End of Navigation Panel-->
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<H2><A NAME="SECTION000511000000000000000">
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psb_normi -- Infinity Norm of Sparse Matrix</A>
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<H2><A NAME="SECTION000510000000000000000">
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psb_norm1 -- 1-Norm of Sparse Matrix</A>
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</H2>
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<P>
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This function computes the infinity-norm of a matrix <IMG
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This function computes the 1-norm of a matrix <IMG
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WIDTH="16" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
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SRC="img1.png"
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ALT="$A$">:
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@@ -66,14 +66,14 @@ This function computes the infinity-norm of a matrix <IMG
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<DIV ALIGN="CENTER">
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<!-- MATH
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\begin{displaymath}
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nrmi \leftarrow \|A\|_\infty
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nrm1 \leftarrow \|A\|_1
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\end{displaymath}
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-->
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<IMG
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WIDTH="101" HEIGHT="28" BORDER="0"
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SRC="img43.png"
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ALT="\begin{displaymath}nrmi \leftarrow \Vert A\Vert _\infty \end{displaymath}">
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WIDTH="98" HEIGHT="28" BORDER="0"
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SRC="img42.png"
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ALT="\begin{displaymath}nrm1 \leftarrow \Vert A\Vert _1 \end{displaymath}">
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</DIV>
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<BR CLEAR="ALL">
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<P></P>
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@@ -92,9 +92,9 @@ where:
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<P>
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<BR><P></P>
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<DIV ALIGN="CENTER"><A NAME="1857"></A>
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<DIV ALIGN="CENTER"><A NAME="1870"></A>
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<TABLE>
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<CAPTION><STRONG>Table 11:</STRONG>
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<CAPTION><STRONG>Table 10:</STRONG>
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Data types</CAPTION>
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<TR><TD>
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<DIV ALIGN="CENTER">
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@@ -106,16 +106,16 @@ Data types</CAPTION>
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<TD ALIGN="LEFT"><B>Function</B></TD>
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</TR>
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<TR><TD ALIGN="LEFT">Short Precision Real</TD>
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<TD ALIGN="LEFT">psb_spnrmi</TD>
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<TD ALIGN="LEFT">psb_spnrm1</TD>
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</TR>
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<TR><TD ALIGN="LEFT">Long Precision Real</TD>
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<TD ALIGN="LEFT">psb_spnrmi</TD>
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<TD ALIGN="LEFT">psb_spnrm1</TD>
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</TR>
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<TR><TD ALIGN="LEFT">Short Precision Complex</TD>
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<TD ALIGN="LEFT">psb_spnrmi</TD>
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<TD ALIGN="LEFT">psb_spnrm1</TD>
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</TR>
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<TR><TD ALIGN="LEFT">Long Precision Complex</TD>
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<TD ALIGN="LEFT">psb_spnrmi</TD>
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<TD ALIGN="LEFT">psb_spnrm1</TD>
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</TR>
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</TABLE>
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</DIV>
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@@ -126,8 +126,8 @@ Data types</CAPTION>
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<P>
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<PRE>
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psb_spnrmi(A, desc_a, info)
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psb_normi(A, desc_a, info)
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psb_spnrm1(A, desc_a, info)
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psb_norm1(A, desc_a, info)
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</PRE>
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<P>
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@@ -168,7 +168,7 @@ Specified as: an object of type descdata<TT>psb_desc_type</TT>.
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<DD>
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</DD>
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<DT><STRONG>Function value</STRONG></DT>
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<DD>is the infinity-norm of sparse submatrix <IMG
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<DD>is the 1-norm of sparse submatrix <IMG
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WIDTH="16" HEIGHT="14" ALIGN="BOTTOM" BORDER="0"
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SRC="img1.png"
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ALT="$A$">.
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@@ -193,26 +193,26 @@ An integer value; 0 means no error has been detected.
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<P>
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