Return the volume of a regular n-simplex with a unit side length.
Results are up to 4*eps precision.
Neither string operations nor interpolations are allowed!
Good problem, in the sense that it disallows many of the hacks used to cook a problem.
Given a 4x4 matrix, swap the two middle columns
Create an n-by-n null matrix and fill with ones certain positions
Solving Quadratic Equations (Version 1)
Chebyshev polynomials of the 1st Kind
Shifted Hexagonal Tiling Dots in a Circle
Triangular Tiling Dots in a Circle
Dots in a Circle
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