how extract the data from 4D matrix and plot ?
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Duminda Vidana Gamage
on 16 Nov 2017
Commented: Gianmarco Venditti
on 19 Oct 2023
Hi All: I have a 4D matrix of 128*6*3*352. i need to extract: maymatirx(:,1,1,352) and plot this. I tried to use the general command like below plot(maymatirx(:,1,1,352))
however it does not work. is there any other way to do this thanks in advance
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Accepted Answer
KL
on 16 Nov 2017
What do you mean by it does not work?? Are you getting an error? Are you not getting the expected result?
See this example below.
>> a = rand(128,6,3,352);
>> plot(a(:,1,1,352))
This is gives me the plot it's supposed to give.
Probably you might want to open a new figure window to make sure it is plotted on the fresh window, to do that,
figure
plot(a(:,1,1,352))
if it still "does not work", try,
data = a(:,1,1,352);
whos data
now you'll be able to see the properties of the extracted data.
4 Comments
Gianmarco Venditti
on 19 Oct 2023
It doesn't "work" if the argument is third or fourth...
plot(X(1,1,:),Y(1,1,:),'o')
Error using plot
Data cannot have more than 2 dimensions.
The solution "works" only for the first 2 dimension i.e. is not robust at all
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