{"coeffs": [-2.939011253280855e-07, 0.37762912932980497, 1.6968737837524916, 0.12201009053658723], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.0789393931257008e-06, 906.324445943491, 294.7372911434836, 0.029261050433041065], "covariance": [[1.1641102140384557e-12, -0.0006271207115934078, -0.0002039815339675985, -2.421757218345332e-08], [-0.0006271207117251941, 821424.0013147759, 267127.6035834705, 25.410399257492525], [-0.0002039815340093947, 267127.6035834539, 86870.07079059862, 8.264100279008785], [-2.4217572185957863e-08, 25.410399255615616, 8.264100278398704, 0.0008562090724449728]]}