Warren Weckesser questions

Warren Weckesser answers

• Find index of min value in a matrix
• How to convert a numpy complex array to a two element float array?
• Estimating determinant using LAPACK wrapper for LU decomposition in Cython
• SciPy step response plot seems to break for some values
• Instantiate a matrix with x zeros and the rest ones
• finding the real eigenvectors of a real symmetric matrix in numpy or scipy
• How to interface a NumPy complex array with C function using ctypes?
• find Markov steady state with left eigenvalues (using numpy or scipy)
• Chi-squared goodness of fit test in Python: way too low p-values, but the fitting function is correct
• Savitzky-Golay filtering giving incorrect derivative in 1D