If x=3 and n=7 then the vector y would be
y=[3 3 3 3 3 3 3]
Increment a number, given its digits
Vector of numbers divisible by 3
Concatenate two strings
Area of a Square
Change string to number
*Prime number check 2 (in construction)
Sum of terms in a series 1 (★★★)
Approximate functions 1 (★★★)
Average of corner elements of a matrix (★★)
Create times-tables (★★★)
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