In this article we will show you some examples of legends using matplotlib. For example, when the first and second outputs to legend() are both included, it interferes with the ability to change the fontsize of the legend text. ~ Matlab docs. Add a legend to the graph that identifies each data set using the legend function. Setting the Title, Legend Entries, and Axis Titles in MATLAB ®. Here we discuss introduction to Matlab Plot Legend with appropriate syntax and respective programming examples. Now, only the first N-m curves will be displayed in Legend. This is the simplest way of assigning strings to the legend. Go to the "more properties" option. This is a guide to Matlab Plot Legend. It might be wise for Lemuel to add a reminder-comment near this section of code in case there's weird problems in the future. With two legend entries you only get a legend for the first two data sets in the first plot, which is why they are both marked the same, with a blue circle. In this article, I cover the basic use of the legend() function, as well as some special cases that I tend to use regularly.. How to set the title, legend-entries, and axis-titles in MATLAB ®. You can see an entry titled "String" specified as a "1xN cell array". copy axes figure MATLAB mulitple legends plot plotting two legends. Recommended Articles. Luckily, MATLAB/Octave include the legend() function which provides some flexible and easy-to-use options for generating legends. Use name-value pairs in the legend command. Ordinarily when plotting multiple datasets, I would use the command 'hold on;', and then plot each of the data, followed by this to get my legend: Related course. Optionally, specify the legend location using one of the eight cardinal or intercardinal directions, in this case, 'southwest'. Plot legends are essential for properly annotating your figures. I am plotting data in a typical MATLAB scatterplot format. You can return the Legend object as an output argument from the legend function, such as lgd = legend.Then, use lgd with dot notation to set properties, such as lgd.FontSize = 14. "legend('string1','string2',...) displays a legend in the current axes using the specified strings to label each set of data." In most cases, when you use name-value pairs, you must specify the labels in a cell array, such as legend({'label1','label2'},'FontSize',14).. Use the Legend object. The legend() method adds the legend to the plot. Specify the legend descriptions in the order that you plot the lines. Labels become very important when we plot multiple functions in the same graph. After that, turn the legend on, click on the legend and the "legend property editor" will be displayed. But it's simple and solves the problem. You can return the Legend object as an output argument from the legend function, such as lgd = legend.Then, use lgd with dot notation to set properties, such as lgd.FontSize = 14. We also learned to set ‘direction’ and ‘Name’ of the label box as per our needs. In most cases, when you use name-value pairs, you must specify the labels in a cell array, such as legend({'label1','label2'},'FontSize',14).. Use the Legend object. Click on the cell array icon and set the size as "1xN-m". Data Visualization with Matplotlib and Python; Matplotlib legend inside To place the legend inside, simply call legend(): The issue here is that the first plot already contains four data sets. Use name-value pairs in the legend command. Three years ago I explained how we can use a couple of undocumented hidden properties of the legend in order to add a legend title (the legend object had no Title property back then – this was only added in a later Matlab release, perhaps as a result of my post). Add Legend. Case there 's weird problems in the order that you plot the lines there weird. 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