def make_A(tau):
    """Make the Jacobian matrix"""
    return array([[-1./20, 0, 0, -1./20],
               [1./tau, -1./tau, 0, 0],
               [0, 6./50, -1./50, 0],
               [0, 0, tau/1., -1./tau]])
dataset/ETHPy150Open robclewley/compneuro/Hopf_delay.py/make_A/swapped operands of `/`