Increment a number, given its digits
Replace multiples of 5 with NaN
Skip by a multiple
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
Square root of a number
Sum of elements in a vector (★)
Matrix with increasing numbers (★★★★)
Select every other element of a vector (★★)
Median computation (★)
Remove the row average (★★★)
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