{"coeffs": [-1.2586123635060234e-06, 0.18976933000032264, 2.100461259987329, 0.17722133476597843], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.5683843419819956e-07, 74.51998046488534, 70.24864599269984, 0.01234855269874199], "covariance": [[1.273336681210228e-13, -2.121536655474922e-05, -2.000382622149139e-05, -3.9550138180021665e-09], [-2.12153665529861e-05, 5553.227488486891, 5234.927377238337, 0.8909991842689984], [-2.000382621982181e-05, 5234.927377238578, 4934.872263807662, 0.8400080503296101], [-3.95501381784321e-09, 0.8909991842982057, 0.8400080503570979, 0.0001524867537536081]]}