File:Stability region for trapezoidal method.png
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[edit]DescriptionStability region for trapezoidal method.png | Stability region of the trapezoidal (second-order Adams-Moulton) method. |
Date | (UTC) |
Source | self-made using Matlab (see source below) |
Author | Jitse Niesen |
Licensing
[edit]Public domainPublic domainfalsefalse |
I, the copyright holder of this work, release this work into the public domain. This applies worldwide. In some countries this may not be legally possible; if so: I grant anyone the right to use this work for any purpose, without any conditions, unless such conditions are required by law. |
Matlab code
[edit]clf; [X,Y] = meshgrid(linspace(-3,2), linspace(-2,2)); Z = X+Y*1i; phi = (1+Z/2) ./ (1-Z/2); contourf(X,Y,1-abs(phi), [0 0], 'LineWidth', 1); set(gca, 'FontSize', 20, 'CLim', [0 1]); colormap([1 .5 .8; 0 0 0]); hold on; plot([-3 2], [0 0], '--k', 'LineWidth', 1); plot([0 0], [-2 2], '--k', 'LineWidth', 1); print -dpng 'trap_lsd_tmp.png'; system('convert -trim -bordercolor white -border 10 +repage trap_lsd_tmp.png trap_lsd.png');
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:59, 7 June 2007 | 1,036 × 815 (7 KB) | Jitse Niesen (talk | contribs) | {{Information |Description=Stability region of the trapezoidal (second-order Adams-Moulton) method. |Source=self-made using Matlab (see source below) |Date=~~~~~ |Author= Jitse Niesen }} |
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