Using NumPy for array and matrix math in Python Many mathematical operations, especially in machine learning or data science, involve working with matrixes, or lists of numbers.

[Vinod Stanur] is working with a mouse input and a microcontroller driven LED matrix. The mouse cursor is tracked inside of a window by Python and the resulting coordinates on the LED grid are ...

For any matrix in the rotation group SO₃, we give the explicit expression for its axis and angle of rotation without computing eigenvectors. The formulas depend only on the entries of the matrix, ...