How does one plot a value (column of data) against two other values (2 other columns)?

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fernando aguirre
fernando aguirre 2017-12-3
评论： Satinath Debnath 2021-11-4
I have a text file with many columns and rows, but I am only interested in a few sets of data (for now). How do I go about plotting a column against to two other columns? Columns in question are 14 (current), 10 (latitude), and 11 (longitude). Basically mapping out a location of incidence. Thank you

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the cyclist
the cyclist 2017-12-4
编辑：the cyclist 2017-12-4 
% Generate some pretend data. (You should use your actual data.)
M = rand(8,5) + (1:8)';

% Plot the Columns 2 and 5 as a function of Column 1 
figure
plot(M(:,1),M(:,2),'r.-',M(:,1),M(:,5),'g.-')
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Satinath Debnath
Satinath Debnath 2021-11-4
@the cyclist. I have got just an additional doubt with this plot. If I want to plot the other coumn but still in legend I want to mention the reference column. For example in the above example the first column is just constant 1 and other columns 2 and 5 have some random values. So In legend I want to show that 2,3 columns plotted represented 1. Is it possible to show through legend?

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