Combine two seperate matrices into a 3d matrix.

2013 10 6
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更新时间：2013 10 6
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Lets say I have a matrix R and a matrix B. These matrices are X*Y and I want to combine them both so they are a multidimensional matrix so I can show the new matrix as an image. How do I do this? I tried using this F=cat(3,R,B); figure(2) image(C)
But I get an error/

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Image Analyst
Image Analyst 2013-10-6

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image can take a 3D image with 3 color channels, not two. If you want the green channel to be zero, then concatenate a zero matrix
rgbImage = cat(3, R, zeros(size(R), 'uint8')), B);
image(rgbImage);

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