regarding the discussion question, my guess is that the only cases where the answer becomes unique are those 'trivial' single-vector or equivalent cases. More precisely those cases where min(nnz(row_sums),nnz(col_sums))<=1. The reasons is that if one solution exist where x(a,b)>0 and x(c,d)>0 (and a~=c and b~=d; i.e. they are not in the same row or column), then you could simply subtract one from x(a,b) and x(c,d), and add one to x(c,b) and x(a,d), and the result will also be a valid solution... thoughts?
Hello, I am a beginner. I tried a lot but couldn't figure out the solution. Can you please help me with this problem?
I confess, I found the results using intlinprog.
I would love to know how you came up with that.
Longest Divisor Run
Clock Hand Angle 1
Is this matrix orthogonal?
Matrix multiplication across rows
Toeplitize a matrix
Find the Final State of an Abelian Sandpile
Find the stride of the longest skip sequence
Repopulate the City
When Was That Goal Scored?
Find an inscribed square on a closed curve
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