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diff plotConvergenceFit.m @ 38:4fcc4448682f

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Added function for drawing fitting lines to convergence plots.
author Jonatan Werpers <jonatan@werpers.com>
date Tue, 06 Oct 2015 16:54:54 +0200
parents
children 0ef8965dd745
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plotConvergenceFit.m	Tue Oct 06 16:54:54 2015 +0200
@@ -0,0 +1,16 @@
+% Draws a line in a loglog plot with slope `slope` and position `pos`
+% and `width` orders of magnitude wide.
+%    ex: pos = [1e-1 1e-4]
+
+function hand = plotConvergenceFit(slope, pos, width)
+    x0 = pos(1);
+    y0 = pos(2);
+
+    x = [x0*10^-(width/2) x0*10^(width/2)];
+    y = x.^slope * x0^-slope * y0;
+
+    hand = line(x,y);
+    hand.Color = Color.black;
+    hand.LineStyle = '--';
+    hand.LineWidth = 2;
+end
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