Given the radius x, y would be the area of a circle.
Pi = 3.1416
Change the sign of even index entries of the reversed vector
Sum the numbers on the main diagonal
Let's see how peculiar we can get
Product of elements in row
Vector with a repeated entry
Log of a number
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.
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