what this colon mean in this code
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buf(:,:) = abs(p(:,1,:)); norm_buf=buf./max(max(buf));
i have this code as a part of program but i did not get what is mean
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Star Strider
2017-4-27
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The colons here mean all the elements in that particular ‘page’ of the matrix. See the documentation for colon,: (link) for the details.
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waad Alzahrani
2017-4-27
Star Strider
2017-4-27
I will do my best.
For example if ‘p’ is a (2x3x4) matrix, ‘p(:,1,:)’ is the same as: ‘p(1:2,1,1:4)’.
Writing ‘p(:,1,:)’ is easier, especially if the size of ‘p’ changes either within a particular script, or between different runs of the script or calls to a function.
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