These examples for solving equations are in <font size="-1"><b>scipy_tutorial.pdf</b></font><br><br>from scipy import mat, linalg <br><br>"""<br>Solves three simultaneous equations: <br>&nbsp;&nbsp;&nbsp; x + 3y + 5z = 10<br>&nbsp;&nbsp;&nbsp; 2x + 5y + z = 8<br>&nbsp;&nbsp;&nbsp; 2x + 3y + 8z =3<br>"""<br><br>XYparameters = mat('[1 3 5; 2 5 1; 2 3 8]')<br>constants = mat('[10; 8; 3]')<br>print linalg.solve( XYparameters, constants )<br>&nbsp;&nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; # array([[-9.28],<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp; &nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; #&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; [ 5.16],<br>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp;
 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp; &nbsp;&nbsp; &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; # &nbsp;&nbsp;&nbsp; &nbsp;[ 0.76]])<br><br>"""<br>Solves two simultaneous equations: <br>&nbsp;&nbsp;&nbsp; 5x + 2y - 9 = 0 &nbsp;&nbsp;&nbsp; &nbsp;&nbsp;&nbsp; <br>&nbsp;&nbsp;&nbsp; 3x + 4y - 4 = 0 <br>"""<br><br>XYparameters = mat('[5 2; 3 4]')<br>constants = mat('[9; 4]')<br>print linalg.solve( XYparameters, constants )&nbsp; # should print (2,-0.5)<br><br><b><i>Eduardo Rodrigues &lt;elr1979@gmail.com&gt;</i></b> wrote:<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"> Hi, I am starting in Python. I usually use Maple and I am with a problem to <br>do the same project in Python.<br>I would like to solve an equation like x+y+1=0 for x. In Maple I use <br>"solve(x+y+1=0,x);".<br>Do exist a similar command in Python/NumPy/SciPy?<br>Regards,<br>Eduardo.
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