{"coeffs": [4.357428828695539e-07, 1.2764882219987765, 1.735673090969544, 0.11298113392925084], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.577674206236076e-07, 4117.929410779566, 366.0136591053489, 0.01259112487198664], "covariance": [[3.111044955091124e-13, -0.0013921037821975112, -0.00012374469189539876, -5.152379247755757e-09], [-0.0013921037823656378, 16957342.632163346, 1507218.4041309478, 49.61070825858802], [-0.00012374469191078064, 1507218.4041309285, 133965.99865168653, 4.4096784399415965], [-5.152379248125833e-09, 49.61070825660984, 4.409678439765888, 0.00015853642554196056]]}