how extract the data from 4D matrix and plot ?
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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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KL
2017-11-16
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 个评论
Duminda Vidana Gamage
2017-11-16
编辑：Duminda Vidana Gamage
2017-11-16
KL
2017-11-16
There's a huge difference between writing mymatrix(:,1,1,352) and mymatrix(:,1,1,:), anyway, try this,
data = squeeze(mymatrix(:,1,1,:));
now data should be 128x352 matrix. It's upto you how you want to plot it.
Duminda Vidana Gamage
2017-11-17
Gianmarco Venditti
2023-10-19
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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