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)
Back and Forth Rows
Triangle Numbers Below N
Number of digits in an integer
05 - Vector Equations 3
Remove from a 2-D matrix all the rows that contain at least one element less than or equal to 4
Remove NaN ?
Create a matrix X, where each column is a shifted copy of the vector v
Find the elements of a matrix according to a defined property.
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