Mercurial > hg > camir-aes2014
diff toolboxes/FullBNT-1.0.7/KPMtools/mk_multi_index.m @ 0:e9a9cd732c1e tip
first hg version after svn
author | wolffd |
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date | Tue, 10 Feb 2015 15:05:51 +0000 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/toolboxes/FullBNT-1.0.7/KPMtools/mk_multi_index.m Tue Feb 10 15:05:51 2015 +0000 @@ -0,0 +1,23 @@ +function index = mk_multi_index(n, dims, vals) +% MK_MULTI_INDEX Compute the indices of the submatrix where dims(i)=vals(i). +% index = mk_multi_index(n, dims, vals) +% +% Example: +% index = mk_multi_index(3, [1 3], [3 2]) +% gives index = {3, ':', 2}, which will select out dim 1 = 3 and dim 3 = 2 +% So if A(:,:,1)=[1 2;3 4; 5 6]; A(:,:,2)=[7 8; 9 10; 11 12] +% then A(index{:}) = [11 12]: + +if n==0 + index = { 1 }; + return; +end + +index = cell(1,n); +for i=1:n + index{i} = ':'; +end +for i=1:length(dims) + index{dims(i)} = vals(i); +end +