Given the radius x, y would be the area of a circle.
Pi = 3.1416
Find all elements less than 0 or greater than 10 and replace them with NaN
Back to basics 14 - Keywords
Check if number exists in vector
Sum of diagonals elements of a matrix
If you have matrix A, create matrix B using matrix A as an "element"
Corresponding letter to ASCII code.
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
Vector with a repeated entry
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