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how to write the legend in bar chart

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Ibrahim AlZoubi
Ibrahim AlZoubi 2020-5-3
评论： Ibrahim AlZoubi 2020-5-3
how to add legend for the first, second and third column?
this is the code:
y =[44,55,54] ;
b = bar(y,0.5);
bar(y)

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采纳的回答

Ameer Hamza
Ameer Hamza 2020-5-3
编辑：Ameer Hamza 2020-5-3
Try this
y =[44,55,54];
hold on
for i=1:numel(y)
bar(i, y(i))
end
legend({'first', 'second', 'third'})
  14 个评论
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Ameer Hamza
Ameer Hamza 2020-5-3
You can replace A, B and C with what you want
y =[44,55,54];
hold on
for i=1:numel(y)
bar(i, y(i))
end
xticks(1:numel(y))
xticklabels({'44', '55', '54'})
legend({'first', 'second', 'third'})

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