First non-zero element in each column
Return unique values without sorting
Matlab Basics - Rounding II
Rotate Matrix @180 degree
Approximate functions 1 (★★★)
Extract leading non-zero digit (★★★★★)
Sum of elements in a vector (★)
Swap the first and last columns (★★)
Mo money, mo math 1! (★★★)
Create a vector of the first n natural numbers (★)
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