MATLAB: Create vector from elements of other vectors

elementsvectorvector creation

I have 4 vectors a, b, c and d. I would like to create a vector v which in the first iteration i want to use the first element of a, b, c and d and in the second I want to create the v by the second element of a, b, c and d , and so on. How can I do this in matlab? If this has already been answered could someone direct me to the link? I wasn't able to find anything. Thanks!

Best Answer

v = [a(:) b(:) c(:) d(:)] % no loops needed

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allvectors = {a, b, c, d, e, f}; %cell array of all the vectors
allcombs = {};
for c = 1:numel(allvectors)
    combidx = nchoosek(1:numel(allvectors), c);
    ccombs = cell(size(combidx, 1), 1);
    for row = 1:numel(ccombs)
       ccombs{row} = [allvectors{combidx(row, :)}];
    end
    allcombs = [allcombs; ccombs];
end

Best Answer

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