<?xml version="1.0" encoding="utf-8" ?> <!-- for emacs: -*- coding: utf-8 -*- --> <!-- Apache may like this line in the file .htaccess: AddCharset utf-8 .html --> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1 plus MathML 2.0 plus SVG 1.1//EN" "http://www.w3.org/2002/04/xhtml-math-svg/xhtml-math-svg-flat.dtd" > <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head><title>rowMult -- multiply a row by a ring element</title> <link rel="stylesheet" type="text/css" href="../../../../Macaulay2/Style/doc.css"/> </head> <body> <table class="buttons"> <tr> <td><div><a href="_row__Permute.html">next</a> | <a href="___Row__Expression.html">previous</a> | <a href="_row__Permute.html">forward</a> | <a href="___Row__Expression.html">backward</a> | up | <a href="index.html">top</a> | <a href="master.html">index</a> | <a href="toc.html">toc</a> | <a href="http://www.math.uiuc.edu/Macaulay2/">Macaulay2 web site</a></div> </td> </tr> </table> <hr/> <div><h1>rowMult -- multiply a row by a ring element</h1> <div class="single"><h2>Synopsis</h2> <ul><li><div class="list"><dl class="element"><dt class="heading">Usage: </dt><dd class="value"><div><tt>rowMult(m,i,a)</tt></div> </dd></dl> </div> </li> <li><div class="single">Inputs:<ul><li><span><tt>m</tt>, <span>a <a href="___Mutable__Matrix.html">mutable matrix</a></span></span></li> <li><span><tt>i</tt>, <span>an <a href="___Z__Z.html">integer</a></span></span></li> <li><span><tt>a</tt>, <span>a <a href="___Ring__Element.html">ring element</a></span>, in the same ring as <tt>m</tt></span></li> </ul> </div> </li> <li><div class="single">Consequences:<ul><li>The <tt>i</tt> th row of <tt>m</tt> is modified by multiplying it by <tt>a</tt></li> </ul> </div> </li> </ul> </div> <div class="single"><h2>Description</h2> <div><table class="examples"><tr><td><pre>i1 : R = ZZ[a..f];</pre> </td></tr> <tr><td><pre>i2 : m = mutableMatrix genericMatrix(R,a,2,3) o2 = | a c e | | b d f | o2 : MutableMatrix</pre> </td></tr> <tr><td><pre>i3 : rowMult(m,0,c) o3 = | ac c2 ce | | b d f | o3 : MutableMatrix</pre> </td></tr> <tr><td><pre>i4 : m o4 = | ac c2 ce | | b d f | o4 : MutableMatrix</pre> </td></tr> </table> </div> </div> <div class="single"><h2>See also</h2> <ul><li><span><a href="_mutable_spmatrices.html" title="">mutable matrices</a></span></li> <li><span><a href="_row_spand_spcolumn_spoperations.html" title="">row and column operations</a></span></li> </ul> </div> <div class="waystouse"><h2>Ways to use <tt>rowMult</tt> :</h2> <ul><li>rowMult(MutableMatrix,ZZ,Number)</li> <li>rowMult(MutableMatrix,ZZ,RingElement)</li> </ul> </div> </div> </body> </html>