CODEWITHSUNDEEP
matlabplotlegend
Guest
Guest

Reputation: 11

Populating Matlab legend using for loop

I am attempting to populate a legend of a bar graph for the corresponding number of quantities being plotted, which is variable. I have included a typical legend's plotting scheme below, though I am attempting to replicate this for a variable number of elements in the vector 'test'. I understand that this is relatively simple procedure, but my experience is limited and any help would be appreciated.

test=[1,2,3,4,5]
bar(diag(test), 'stacked')
legend('label1','label2','label3','label4','label5');
xlabel('labels')
title('Title')

Upvotes: 1

Views: 39

Answers (1)

VolkanOzcan
VolkanOzcan

Reputation: 337

You can combine the labels in one array. That way you would be able to work with a dynamic number of labels.

This does the same thing with your code, but the legend function is called with an array:

test=[1,2,3,4,5]
bar(diag(test), 'stacked')
legend(["label1", "label2", "label3", "label4", "label5"]);
xlabel('labels')
title('Title')

Note that I used strings (") instead of chars (') because char arrays are harder to operate as arrays.

You can also automate the names completely,

test=[1,2,3,4,5]
bar(diag(test), 'stacked')
legendNames = "label" + test;
legend(legendNames);
xlabel('labels')
title('Title')

Upvotes: 1

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