Given the radius x, y would be the area of a circle.
Pi = 3.1416
Getting the absolute index from a matrix
Check if number exists in vector
Create a vector whose elements depend on the previous element
Find the logic
Find out sum of all elements of given Matrix
Given the variable x as your input, multiply it by four, then divide it by two. Then put the result in y.
Log of a number
Write a code that will follow the equation y = x * (x + x) * x.
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