Solver Plot Any Inequality
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Source code of 'Plot Any Inequality'
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==section input Plot a graph of inequality *[input f=y < 2x+2] (note, only "x" and "y" is allowed for variable). Click <A HREF=/services/rendering/>formula plotting</A> link for detailed examples of what you can enter into the function box. <I>Examples: {{{x < x-3}}}, {{{x^2+2x*y + y^2 < 10}}} (type "x^2+2x*y+y^2 < 10"), .</I> <B>The rest of the information may not need change</B>: for x between *[input xmin=-10] and *[input xmax=10], and y between *[input ymin=-10] and *[input ymax=10]. Make the graph sized *[input sizex=300] by *[input sizey=300] pixels. ==section solution perl $dummy = 1; print "Graphing function {{{$f}}}: {{{graph( $sizex, $sizey, $xmin, $xmax, $ymin, $ymax, $f )}}}"; ==section output dummy ==section check
