Write a function that takes matrix A, and squares each element in the matrix
A = [1 2 3]
output = [1 4 9]
Make a checkerboard matrix
Area of an equilateral triangle
Divide by 4
Matlab Basics II - Intervals
Matlab Basics II - Log and natural log
Matlab Basics - Rounding II
Matlab Basics - Pick out parts of a vector
Matlab Basics - Set unwanted parts of a vector to zero
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