I am sure there are other more subtle ways to go about it but this seems about as fast as I can make it for a general brute-force solution (0.11s)
This one seems to work for the large test case, too, although it is not a general solution [for size(p,1)>100 it only tests corner points].
Summing Digits within Text
The Hitchhiker's Guide to MATLAB
Make one big string out of two smaller strings
Solve the set of simultaneous linear equations
mathematics , probability problem
Find: Faster Alternatives for Large Sorted/Unique Vectors
Text File Read: 64 bit data set
PONG 001: Player vs Wall, 4 Lives, Interactive download
Criss-Cross: NHL - Optimize Matrix Size
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