i want to use nchoosek command in FOR loop in decreasing order for decoding process, it works in increasing order in FOR loop for encoding , Any suggestions
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m=4;
r=4;
%%%%%%%%%%%%%%%%%%%
for a=r:2
v=1:1:m;
% Making combinations in decreasing order, but it is not working
c = nchoosek(v, a);
end
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Accepted Answer
Guillaume
on 10 Nov 2016
When you write a:b, matlab generates all numbers from a (included) to b (maybe included) in increments of +1. If b is smaller than one, no number is generated
If you want a different step than the default +1 you have to specify it explicitly. a:step|b, so:
for a = r:-1:2
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