please fix the description
Filled with "5" not "4".
Arrange Vector in descending order
Basic arrays operations.
Times 3 problem
If you have matrix A, create matrix B using matrix A as an "element"
Write a code that will follow the equation y = x * (x + x) * x.
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
Area of a circle
Corresponding letter to ASCII code.
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