Plot multidimensional array in Matlab

Question

I have a matrix of, say:

size P = zeros(2,2,100);

Let's try to plot the first element of each of these matrices, like this:

plot(1:1:100, P(1,1,:))

This does not work. What is the proper way to do it?

rchilton · Accepted Answer · 2012-03-21 14:40:02Z

5

Try plot(squeeze(P(1,1,:)).

The squeeze() function removes singleton dimensions (dimensions whose size are 1).

answered Mar 21, 2012 at 14:40

rchilton

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Ingo · Accepted Answer · 2012-03-21 14:39:06Z

0

Solution: Create arrays manually. Not very elegant but works.

% tl = top left, br = bottom right, etc.
for i=1:1:100
    tlplot(i) = P(1, 1, i);
    trplot(i) = P(1, 2, i);
    blplot(i) = P(2, 1, i);
    brplot(i) = P(2, 2, i);
end

Then, for instance:

plot(1:1:100, tlplot)

answered Mar 21, 2012 at 14:39

Ingo

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