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annotate spyh.m @ 774:66eb4a2bbb72 feature/grids

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Remove default scaling of the system. The scaling doens't seem to help actual solutions. One example that fails in the flexural code. With large timesteps the solutions seems to blow up. One particular example is profilePresentation on the tdb_presentation_figures branch with k = 0.0005
author Jonatan Werpers <jonatan@werpers.com>
date Wed, 18 Jul 2018 15:42:52 -0700
parents 12db86a8ec7b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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358
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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1 % spyh mimics the built in spy but returns a handle which allows modifying the plot.
5cb99f56f55e Added some utility functions. Improved some documentation.
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2 function h = spyh(A)
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3 [n,m] = size(A);
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4 [I,J] = find(A);
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5
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12db86a8ec7b Fix bug in spyh() when the matix has no non-zero elements.
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6 if ~isempty(J)
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7 h = plot(J,I);
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8 h.LineStyle = 'none';
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9 h.Marker = '.';
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10 h.MarkerSize = 14;
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11 else
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12 h = [];
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13 end
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5cb99f56f55e Added some utility functions. Improved some documentation.
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14
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15 a = gca;
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16 xlim([0 m+1]);
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17 ylim([0 n+1]);
5cb99f56f55e Added some utility functions. Improved some documentation.
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18 axis square
5cb99f56f55e Added some utility functions. Improved some documentation.
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19 a.YDir = 'reverse';
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20 end