How do I ask the legend to add labels for multiple graphs

I want to generate a plot with potentially 100 series on it. Is there a way that I can suitably attach the legend (with title 1: title n) without typing the name of each series in the legend command? The titles would be increasing sequentially (legend('Title1''Title2''Titlen'))

Answer 1

[ag]

Hi John,

To achieve this you can automate the process of adding legends to your plot without manually typing each label by using a counter variable.

The below code snippet demonstrates how to achieve this:

% Sample data
x = linspace(0, 2*pi, 100);
% Create a figure
figure;
% Initialize an empty cell array to store legend labels
legendLabels = cell(1, 10);
% Loop to plot 100 series
for i = 1:10
    % Generate some example data
    y = sin(x + i/10);
    
    % Plot the data
    plot(x, y);
    hold on; % Hold the plot to overlay multiple series
    
    % Create a legend label and store it in the array
    legendLabels{i} = sprintf('Title%d', i);
end
% Add the legend using the generated labels
legend(legendLabels);
% Add title and labels
title('Plot with 10 Series');
xlabel('x');
ylabel('Function values');
% Release the hold
hold off;

For more details, please refer to the following MathWorks documentation:

https://www.mathworks.com/help/matlab/ref/legend.html#:~:text=If%20you%20do%20not%20specify%20a%20label%2C%20then%20the%20legend%20uses%20a%20label%20of%20the%20form%20%27dataN

Hope this helps!

Answer 2

[Voss]

legend("Title"+(1:n))