how to plot data from a csv in matlab -

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i have csv file following data structure:

p1_1,p2_1,p3_1 p1_2,p2_2,p3_2 p1_3,p2_3,p3_3

and want plot p2 againt p3 in matlab, wrote code:

function plotdata dbstop if error filename='c:\\temp\\out100-2.csv';  m=csvread(filename);  plot(m(2),m(3));

but plot empty. checked , m has data, way using plot not right.

how can fix problem can plot it?

m(2) , m(3) 2 scalar values, hence plot single point.

you need supply vectors plot, e.g.:

plot(m(:,1),m(:,2))

this plots data first , second columns of csv file.


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