{"coeffs": [-8.214186770457555e-07, 0.2122289780565813, 1.8699084631551128, 0.15367345323717888], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.102752779865059e-07, 98.92758237957071, 72.15433032654776, 0.015072834288216397], "covariance": [[3.724359149215071e-13, -4.487325874074704e-05, -3.273914726285717e-05, -7.871817211668774e-09], [-4.487325873533423e-05, 9786.666555466749, 7138.052724156239, 1.437226982911943], [-3.273914725900065e-05, 7138.052724156786, 5206.24738487257, 1.048394328753714], [-7.871817211193994e-09, 1.4372269829794868, 1.0483943288028206, 0.0002271903334800319]]}