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)
Return the 3n+1 sequence for n
How to find the position of an element in a vector without using the find function
Find the sum of the elements in the "second" diagonal
Multiply a column by a row
Length of a short side
Find the elements of a matrix according to a defined property.
First non-zero element in each column
A quadrant matrix
Matrix which contains the values of an other matrix A at the given locations.
Matrix with different incremental runs
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