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annotate spyh.m @ 1330:855871e0b852 feature/D2_boundary_opt

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Add size checks to the operators
author Vidar Stiernström <vidar.stiernstrom@it.uu.se>
date Thu, 17 Feb 2022 18:55:11 +0100
parents 12db86a8ec7b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
358
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
parents:
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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.
Jonatan Werpers <jonatan@werpers.com>
parents:
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2 function h = spyh(A)
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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3 [n,m] = size(A);
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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4 [I,J] = find(A);
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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5
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12db86a8ec7b Fix bug in spyh() when the matix has no non-zero elements.
Jonatan Werpers <jonatan@werpers.com>
parents: 358
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6 if ~isempty(J)
12db86a8ec7b Fix bug in spyh() when the matix has no non-zero elements.
Jonatan Werpers <jonatan@werpers.com>
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7 h = plot(J,I);
12db86a8ec7b Fix bug in spyh() when the matix has no non-zero elements.
Jonatan Werpers <jonatan@werpers.com>
parents: 358
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8 h.LineStyle = 'none';
12db86a8ec7b Fix bug in spyh() when the matix has no non-zero elements.
Jonatan Werpers <jonatan@werpers.com>
parents: 358
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9 h.Marker = '.';
12db86a8ec7b Fix bug in spyh() when the matix has no non-zero elements.
Jonatan Werpers <jonatan@werpers.com>
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10 h.MarkerSize = 14;
12db86a8ec7b Fix bug in spyh() when the matix has no non-zero elements.
Jonatan Werpers <jonatan@werpers.com>
parents: 358
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11 else
12db86a8ec7b Fix bug in spyh() when the matix has no non-zero elements.
Jonatan Werpers <jonatan@werpers.com>
parents: 358
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12 h = [];
12db86a8ec7b Fix bug in spyh() when the matix has no non-zero elements.
Jonatan Werpers <jonatan@werpers.com>
parents: 358
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13 end
358
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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14
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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15 a = gca;
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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16 xlim([0 m+1]);
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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17 ylim([0 n+1]);
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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18 axis square
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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19 a.YDir = 'reverse';
5cb99f56f55e Added some utility functions. Improved some documentation.
Jonatan Werpers <jonatan@werpers.com>
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20 end