<HTML><HEAD><TITLE>Matrix multiplier</TITLE> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=iso-8859-1"> <META NAME="GENERATOR" CONTENT="wims [en]"> <META name="description" content="input two matrices and get their product (or other formula). interactive exercises, online calculators and plotters, mathematical recreation and games"> <META name="keywords" content="interactive mathematics, interactive math, server side interactivity, algebra, linear algebra, matrix"> <META NAME="Author" CONTENT="XIAO Gang"> <META HTTP-EQUIV="expires" CONTENT="1 Jan 1990"> <META HTTP-EQUIV="Pragma" CONTENT="no-cache"> <META HTTP-EQUIV="Cache-Control" CONTENT="no-cache">  <STYLE TYPE="text/css"><!--  .wimsbody { 	text-align : justify; 	padding-left  : 3%; 	padding-right : 3%; }    --></STYLE>  </HEAD><BODY BGCOLOR="white"   LINK=blue VLINK=blue  >         <!-- ><a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=2P1A69B8D5.1&+module=adm%2Ftrap">Robot trapper, do not click!</a> < --><a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=2P1A69B8D5.1&+module=adm%2Ftrap"><font></font></a><div class=wimsmenu> <center><table border=0 cellspacing=0 cellpadding=2 bgcolor=#64a5f9 width=100%>  <tr><td align=center> <a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=2P1A69B8D5.1">WIMS Home</a> </td>         <td align=center> <a href="http://wims.univ-mrs.fr/wims.cgi?wims_window=new&+session=2P1A69B8D5_mhelp&+lang=fr&+module=tool%2Flinear%2Fmatmult.en&+cmd=help&+special_parm=about" target=wims_help onClick="window.open('','wims_help','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')">About</a> </td>  <td align=center> <a href="http://wims.univ-mrs.fr/wims.cgi?wims_window=new&+session=2P1A69B8D5_help&+lang=fr&+module=help%2Fmain&" target=wims_help onClick="window.open('','wims_help','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')">WIMS Help</a></td>   </tr></table></center></div><div class=wimsbody><p>     <P><CENTER><H1>  Matrix multiplier </H1></CENTER><P></DIV><DIV CLASS=wimsbody>     This page is a tool allowing you to rapidly compute the multiplication   (or other formula) of two matrices. You have only to enter your matrices,   and click!  <p><hr width=60%> <p>  Enter your matrices (type line by line, separating the lements by commas): <p><form action="http://wims.univ-mrs.fr/wims.cgi" method=get> <input type=hidden name=session value=2P1A69B8D5.1> <input type=hidden name=lang value=fr> <input type=hidden name=cmd value=reply> <input type=hidden name=module value=tool/linear/matmult.en>  <table border=0><tr><td nowrap>A = <td>  <textarea name=matA rows=7 cols=24></textarea>  <td nowrap>&nbsp;&nbsp;B = <td>  <textarea name=matB rows=7 cols=24></textarea>  </table>  And the formula to <input type=submit value="evalue">&nbsp;: C&nbsp;=&nbsp;<input size=40 name=show value="B^-1"> </form> <a href="http://wims.univ-mrs.fr/wims.cgi?session=2P1A69B8D5.1&+lang=fr&+module=tool/linear/matmult.en&+cmd=renew">Reinitialize the page. <p></a>To compute the invariants of a matrix or to evalue formulas on more than two matrices, you can use the <a href="http://wims.univ-mrs.fr/wims.cgi?session=2P1A69B8D5.1&+lang=fr&+module=tool%2Flinear%2Fmatrix">Matrix calculator</a>.       <p></div><div class=wimstail> <center><hr width=35%> <table align=center border=0 cellspacing=0 cellpadding=2 bgcolor=#64a5f9> <tr> <td align=center><small> <a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=2P1A69B8D5.1">WIMS Home</a>      <td align=center><small> <a href="http://wims.univ-mrs.fr/wims.cgi?wims_window=new&+session=2P1A69B8D5_mhelp&+lang=fr&+module=tool%2Flinear%2Fmatmult.en&+cmd=help&+special_parm=about" target=wims_help onClick="window.open('','wims_help','status=no,toolbar=no,location=no,menubar=no,scrollbars=yes,resizable=yes')">About</a> <tr><td align=center colspan=2> </td>   <tr><td align=center colspan=2><small>   Author of the page:  <a href="mailto:xiao@unice.fr?subject=Wims Matrix multiplier [en]"  >XIAO Gang</a>  <tr><td align=center colspan=2><small>  Version 1.02, &copy; 1999 (<a href=COPYING>GNU GPL</a>)  </table></center></div> <!-- ><a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=2P1A69B8D5.1&+module=adm%2Ftrap">Robot trapper, do not click!</a> < --><a href="http://wims.univ-mrs.fr/wims.cgi?lang=fr&+session=2P1A69B8D5.1&+module=adm%2Ftrap"><font></font></a> </BODY></HTML> 
