Given the radius x, y would be the area of a circle.
Pi = 3.1416
Why change pi? there is pi built into matlab.
Omit columns averages from a matrix
What is Sum Of all elements of Matrix
Max of a Vector
Flip the vector from right to left
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
Square root of a number
If you have matrix A, create matrix B using matrix A as an "element"
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