improve test suit
This solution only works for vectors that are already sorted from low to high :) but it passed the test suite
This works in R2012b, but not on cody
function ans = duplicate(x)
Swap the first and last columns
Project Euler: Problem 7, Nth prime
Make a random, non-repeating vector.
First non-zero element in each column
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Find the elements of a matrix according to a defined property.
A quadrant matrix
Matrix with different incremental runs
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