{"coeffs": [-1.695818234308202e-06, 6.561640517507142e-05, 0.6520276586328013, 0.21385243008514346], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.8319409186305624e-06, 3.119076672921715e-05, 0.17729557160948548, 0.05843352261430525], "covariance": [[3.3560075293529892e-12, -4.9007900636102385e-11, -2.772814346950116e-07, -1.0110586547242485e-07], [-4.900790063610244e-11, 9.728639291564394e-10, 5.525333322404089e-06, 1.7661296479599661e-06], [-2.7728143469501157e-07, 5.525333322404087e-06, 0.03143371971233419, 0.010053507722242632], [-1.0110586547242477e-07, 1.766129647959966e-06, 0.010053507722242632, 0.003414476565116523]]}