{"coeffs": [-9.713236353156744e-06, 0.0001993393906308392, 0.6277947988881405, 0.25579927744090386], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0086480751371166e-06, 2.896995252832113e-05, 0.06270709813549842, 0.02190849275716064], "covariance": [[4.034667089752043e-12, -5.1626360964594136e-11, -1.111124820622199e-07, -4.223485949310494e-08], [-5.162636096459414e-11, 8.3925814949318e-10, 1.8154742855746534e-06, 6.184322126686864e-07], [-1.1111248206222005e-07, 1.8154742855746532e-06, 0.003932180156575029, 0.0013384437755318483], [-4.223485949310496e-08, 6.184322126686862e-07, 0.001338443775531848, 0.0004799820548905603]]}