add manual legend matlab

To add a manual legend in MATLAB, you can follow these steps:

1. Create a plot or a figure using the plot or figure functions in MATLAB.

2. After creating the plot, you can add a legend to it by using the legend function. The legend function allows you to specify the labels for each line or object in the plot.

3. To add a manual legend, you need to provide the labels for each line or object in the plot. You can do this by passing a cell array of strings to the legend function. Each string in the cell array represents the label for a specific line or object in the plot.

4. Here's an example that demonstrates how to add a manual legend in MATLAB:

x = 1:10;
y1 = sin(x);
y2 = cos(x);

plot(x, y1, 'r', x, y2, 'b');
legend({'sin(x)', 'cos(x)'});

In this example, we create a plot with two lines: sin(x) and cos(x). We pass the labels as a cell array of strings to the legend function. The first label 'sin(x)' corresponds to the sin(x) line, and the second label 'cos(x)' corresponds to the cos(x) line.

1. Running this code will generate a plot with the two lines and a legend that displays the labels 'sin(x)' and 'cos(x)'.

By following these steps, you can add a manual legend to a plot in MATLAB. Remember to customize the labels and the plot itself according to your specific needs.