Find the numeric mean of the prime numbers in a matrix.
Increment a number, given its digits
Compare two input matrices
RISK board game battle simulation
It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().
It's race time! Write a faster function than the test suite call of unique().
Penny flipping - calculate winning probability (easy)
Who is the smartest MATLAB programmer?
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