{"coeffs": [-3.6760983119967453e-07, 4.461353777185121e-05, 0.438371689693282, 0.10614001638266334], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.1226159975148119e-07, 7.33246584947196e-07, 0.003942983521168447, 0.0023044057287246976], "covariance": [[1.260266677876176e-14, -4.3868061068693114e-14, -1.7247329300154895e-10, -1.845545411915045e-10], [-4.3868061068693114e-14, 5.376505543367254e-13, 2.8009102521802525e-09, 1.5177033316702201e-09], [-1.7247329300154898e-10, 2.8009102521802525e-09, 1.5547119048205923e-05, 7.634523496786901e-06], [-1.8455454119150444e-10, 1.5177033316702203e-09, 7.634523496786901e-06, 5.310285762579205e-06]]}