How can i add a 2D matrix of zeros on top of a 3D matrix of logicals
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David van Nederpelt
am 1 Jun. 2018
Kommentiert: David van Nederpelt
am 1 Jun. 2018
Hi,
I've subtracted the bottom z values of a 3D matrix (ffilter) and now i want to add a 2D matrix in the z direction on top, to create a new matrix (ffilter2).
if true
ffilter2=ffilter2(:,:,(1:617));
[N,v,b]=size(ffilter2)
c=zeros(N,v,1);
ffilter2=ffilter2(:,:,(c:618));
end
I have a 2D matrix of zeros (size = x_of3D_matrix;y_of3D_matrix,1). And I want to "add" this to the 3D matrix so this will result in an 3D matrix with an extra layer (of zeros) in the z direction (on top). I probably didn't formulate this the proper way. But I hope somebody understands what I'm asking. All the help is really appreciated!
Thank you.
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Rik
am 1 Jun. 2018
ffilter2=ffilter2(:,:,(1:617));
[N,v,b]=size(ffilter2)
c=zeros(N,v,1,'like',ffilter2);%or c=false(N,v,1);
ffilter2=cat(3,ffilter2,c);
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