When you take the square root of 2 using the math library's sqrt function, you get a floating point approximation because it's not a perfect square and it's an irrational number.

Made (in)famous by the original implementation in the Quake 3 Arena source code, where fast inverse square roots are vital for perfoming vector operations for game physics, the Fast Inverse Square ...

This issue arises only when trying to calculate the square root using densidad2, while similar calculations with densidad1 work correctly. ... Python and NumPy Versions: Python: 3.12.2 ...