MATLAB: Last legend on a subplot not plotting

legendsubplot

Has anyone had this issue: when doing a figure with subplots and legends in each one, the last legend does not appear? It doesn't matter if there are 2 subplots or 10 and I don't recall if this was always the case or a new problem. I'm running R2012a. I've attached an image of what I'm talking about – in my code, legend is there for subplot(313) just like the other two and when I run that segment of code alone (not as a subplot), the legend appears. Any suggestions about how to fix this? Thanks!

Best Answer

You didn’t post your code, but legend can take the handle of the particular axes object as its first argument. See if the technique in Specify Axes for Legend solves your problem.

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MATLAB: Drawing multiple (10) subplots in the same figure

The subplot function fills the subplot positions by row, so that the second subplot (subplot(5,2,2)) is the second subpot in the first row, the first subplot in the second row is subplot(5,2,3), and so for the rest. Just number them accordingly to put them where you want them.

MATLAB: Split legend into 2 rows and 3 columns

On newer versions of MATLAB, you can set the NumColumns property of legends to get a 2x3 legend. However, in older versions, you can get two legends by adding a hidden axes. For example, the following code shows one of the ways.

ax = axes();
hold(ax);
ax2 = axes('Visible', 'off');
hold(ax2);
x = 1:10;
y = 1:10;
plot(ax, x,y, x,y+1, x,y+2);
plot(ax2, x,y+3, x,y+4, x,y+5);
% adjust the axis of hidden and visible axes to have same limits
ax.YLim(1) = min(ax.YLim(1), ax2.YLim(1));
ax2.YLim(1) = min(ax.YLim(1), ax2.YLim(1));
ax.YLim(2) = max(ax.YLim(2), ax2.YLim(2));
ax2.YLim(2) = max(ax.YLim(2), ax2.YLim(2));
legend(ax, {'plot1', 'plot2', 'plot3'}, 'Position', [0.15 0.80 0.10 0.01]);
legend(ax2, {'plot4', 'plot5', 'plot6'}, 'Position', [0.30 0.80 0.10 0.01]);

Best Answer

Related Solutions

MATLAB: Drawing multiple (10) subplots in the same figure

MATLAB: Split legend into 2 rows and 3 columns

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