Find the number of points (x,y) in square lattice with x^2 + y^2 =< n. This is related to Jame's Problem 1387. Here you have to find the number of points within a circle.
Find the "ordinary" or Euclidean distance between A and Z
Convert hex color specification to MATLAB RGB
Duplicate each element of a vector.
Change the sign
Basic arrays operations.
Fahrenheit to Celsius converter
Number of vertices of a hypercube
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