You will see that I need to create an extra variable ax. Pass the handle object as the first positional argument. ![]() Handles, labels = ax.get_legend_handles_labels() Create a Triangle handle object and call its area method with the engine. In matplotlib, label is not a a visible text label, it's an internal 'handle' for finding objects of subclass Artist with plt.findobj (), but that doesn't seem to work on patches. Thus, I need a legend, however, taking a look at the following example below( from the official site): ax = subplot(1,1,1) However, it is unclear what data is being plotted where (I'm trying to plot the data of some sorting algorithms, length against time taken, and I'd like to make sure people know which line is which). This ideally generates a graph like the one below: You can use eval to access the properties of a. import matlab.engine eng () tr eng.Triangle (5.0,3.0) a eng.area (tr) print (a) 7.5. ![]() Total_lengths, sort_times_merge_i, 'p-', )Īs you can see, this is a very basic use of matplotlib's PyPlot. Create a Triangle handle object and call its area method with the engine. ot(total_lengths, sort_times_bubble, 'b-', ![]() It will automatically try to determine a useful number of legend entries to be shown and return a tuple of handles and labels. Please consider the graphing script below: if _name_ = '_main_': Another option for creating a legend for a scatter is to use the PathCollection.legendelements method. How can one create a legend for a line graph in Matplotlib's PyPlot without creating any extra variables?
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