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<H2><A NAME="SECTION04232000000000000000">Notation Used in Example Program</A></H2>
<P>
<A NAME="secvariables"> </A>
<P>
The following is a list of notational variables and definitions
specific to Example Program #1.
A complete <B>List of Notation</B> can be found at the
beginning of this book.
<P>
<PRE><TT>
Variable Definition
<P>
<I>CSRC</I> (global) Process column over which the first column of the matrix is distributed.
<P>
<I>DESCA</I> (global and local) Array descriptor for matrix <I>A</I>.
<P>
<I>DESCB</I> (global and local) Array descriptor for matrix <I>B</I>.
<P>
<I>ICTXT</I> (global) BLACS context associated with a process grid.
<P>
<I>M</I> (global) Number of rows in the global matrix <I>A</I>.
<P>
<I>MB</I> (global) Row block size for the matrix <I>A</I>.
<P>
<I>MXLLDA</I> (global) Maximum local leading dimension of the array <I>A</I>.
<P>
<I>MXLLDB</I> (global) Maximum local leading dimension of the array <I>B</I>.
<P>
<I>MXLOCC</I> (global) Maximum number of columns of the matrix <I>A</I> owned by any
<P>
process column.
<P>
<I>MXLOCR</I> (global) Maximum number of rows of the matrix <I>A</I> owned by any
<P>
process row.
<P>
<I>MXRHSC</I> (global) Maximum number of columns of the matrix <I>B</I> owned by any
<P>
process column.
<P>
<I>MYCOL</I> (local) Calling process's column coordinate in the process grid.
<P>
<I>MYROW</I> (local) Calling process's row coordinate in the process grid.
<P>
<I>N</I> (global) Number of columns in the global matrix <I>A</I>,
<P>
and the number of rows of the global solution matrix <I>B</I>.
<P>
<I>NB</I> (global) Column block size for the matrix <I>A</I>,
<P>
and the row block size for the matrix <I>B</I>.
<P>
<I>NBRHS</I> (global) Column block size for the global solution matrix <I>B</I>.
<P>
<I>NPCOL</I> (global) Number of columns in the process grid.
<P>
<I>NPROW</I> (global) Number of rows in the process grid.
<P>
<I>NRHS</I> (global) Number of columns in the global solution matrix <I>B</I>.
<P>
<I>RSRC</I> (global) Process row over which the first row of the matrix is distributed.
<P>
</TT></PRE><BR> <HR>
<P><ADDRESS>
<I>Susan Blackford <BR>
Tue May 13 09:21:01 EDT 1997</I>
</ADDRESS>
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