The number of rearranged different strings for the last case ('EULER') is 59, not 119.
A valid and essentially the same problem exists: http://www.mathworks.com/matlabcentral/cody/problems/2394-permutation
ur last test is incorrect
The last test suite has been fixed.
Matrix indexing with two vectors of indices
Make a random, non-repeating vector.
Getting the indices from a matrice
construct matrix with identical rows
Compute LOG(1+X) in natural log
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odd number odd sum
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