annotate spyh.m @ 978:1a30dbe99c7c

Refactor CdiffImplicit to take input arguments in the right order
author Jonatan Werpers <jonatan@werpers.com>
date Mon, 07 Jan 2019 16:15:49 +0100
parents 12db86a8ec7b
children
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5cb99f56f55e Added some utility functions. Improved some documentation.
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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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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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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]);
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18 axis square
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19 a.YDir = 'reverse';
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20 end