def lorenz(self, w, t, prandtl, rayleigh, beta):
        x, y, z = w
        return array([prandtl * (y - x), x*(rayleigh - z) - y, x*y - beta*z])
dataset/ETHPy150Open enthought/envisage/examples/plugins/workbench/Lorenz/acme/lorenz/lorenz.py/Lorenz.lorenz/original