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Finding all integer vectors between two vector bounds

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Mathieu
Mathieu 2018-12-20
回答： James Tursa 2018-12-20
I would like to find all the integers vectors between two vector bounds. For instance, suppose that
lb = [0;1;0;1]
ub = [2;1;0;1]
Then the function would return
[0;1;0;1]
[1;1;0;1]
[2;1;0;1]
I need this in arbitrary dimenions n, I plan on evaluate a function that takes each of these vectors as argument.
Thanks!

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James Tursa
James Tursa 2018-12-20
You can use the FEX submission allcomb( ) by Jos for this:
c = arrayfun(@(a,b)a:b,lb,ub,'uni',false);
result = allcomb(c{:});
The vectors you want are the rows of the result. You can find allcomb here:
https://www.mathworks.com/matlabcentral/fileexchange/10064-allcomb-varargin

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