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annotate spyh.m @ 1198:2924b3a9b921 feature/d2_compatible

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Add OpSet for fully compatible D2Variable, created from regular D2Variable by replacing d1 by first row of D1. Formal reduction by one order of accuracy at the boundary point.
author Martin Almquist <malmquist@stanford.edu>
date Fri, 16 Aug 2019 14:30:28 -0700
parents 12db86a8ec7b
children
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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.
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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