Asked by Kelsey
on 19 Sep 2013

I have some data in the following form, outputted from a different computer program:

(That is, 3 separate columns of data...continuing on for 1000 rows) I am wondering how to create a plot with JUST the first and second columns, or first and third columns, of data--seeing as doing this manually would take forever. How do I arrange these data such that they're in matrices that are readable for MATLAB? Thanks much in advance!

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Answer by Azzi Abdelmalek
on 19 Sep 2013

Edited by Azzi Abdelmalek
on 19 Sep 2013

If A is your matrix

plot(A(:,1),A(:,2))

%or

plot(A(:,1),A(:,3))

If your data are in a text file you can read it:

A=dlmread('yourfilename.txt')

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