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<TITLE>Solve a matrix equation</TITLE>
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<p>
Solve <code>Ax=b</code> (and check the solution) given that</P>
<P>
<pre>
1 2 0 7
A = 2 5 -1 b = 8
4 10 -1 9
</pre></P>
<P>
<font color="blue"><pre>
A=[[1;2;4];[2;5;10];[0;-1;-1]]
b=[7;8;9]
soln = gaussj(A,b)
check = b-A<>soln</pre></font></P>
<P>
The <code>check</code> vector should be all zero if the solution is correct.</P>
<P>
<a href="BasicTasksS08.htm"><img src="../shadow_left.gif">
<font size="+1" color="olive">Integrate a function</font></a><br />
<a href="BasicTasksS10.htm"><img src="../shadow_right.gif">
<font size="+1" color="olive">Read data from files</font></a>
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