document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=871208>Question 871208</A>: <I><SPAN STYLE=\"word-break: break-all;\">  i'm unable to understand how to sketch a digraph? of matrices<BR>\n" );
document.write( "its so confusing<BR>\n" );
document.write( "1)<BR>\n" );
document.write( "0 1 1 0<BR>\n" );
document.write( "0 0 1 1<BR>\n" );
document.write( "0 0 0 1<BR>\n" );
document.write( "1 0 0 0<BR>\n" );
document.write( "2)<BR>\n" );
document.write( "0 1 1 0<BR>\n" );
document.write( "1 0 1 0<BR>\n" );
document.write( "0 0 0 1<BR>\n" );
document.write( "1 1 0 0<BR>\n" );
document.write( "3)<BR>\n" );
document.write( "0 1 0 1 0<BR>\n" );
document.write( "1 0 1 0 0<BR>\n" );
document.write( "0 1 0 1 0<BR>\n" );
document.write( "1 0 0 0 0<BR>\n" );
document.write( "1 1 1 1 0\r<BR>\n" );
document.write( "\n" );
document.write( "please help me through simipifying the answers so that i'd understand<BR>\n" );
document.write( "im using Linear algebra with application 5th edition by gareth williams<BR>\n" );
document.write( "the text book doesnt show any other examples of how to sketch. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #525392 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=525392\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%285%2C5%2Cx+%2CA%2CB%2CC%2CD%2CA%2C0%2C1%2C1%2C0%2CB%2C0%2C0%2C1%2C1%2CC%2C0%2C0%2C0%2C1%2CD%2C1%2C0%2C0%2C0%29%29 ALIGN=MIDDLE   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Work down the first column<BR>\n" );
document.write( "The first entry of the column is the start point.<BR>\n" );
document.write( "As you move over, if the value is zero, no action.<BR>\n" );
document.write( "If the value is one, move up to the first row corresponding entry and draw an arrow to there.<BR>\n" );
document.write( "A->B->C : Arrows go from A to B and from A to C<BR>\n" );
document.write( "B->C->D : Arrows go from B to C and from B to D<BR>\n" );
document.write( "C->D : Arrow goes from C to D<BR>\n" );
document.write( "D->A : Arrow goes from D to A<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/display-illustration.mpl?tutor=Fombitz&illustration_name=DIA.JPG\">.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );