{"coeffs": [-1.5237026682903303e-06, 0.00021048249226886693, 0.6413748015251943, 0.14937819377641554], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.428569082525182e-07, 1.0400774168118778e-05, 0.013351051353569366, 0.003672647560094976], "covariance": [[1.1755085953647567e-13, -2.61169029544472e-12, -3.356591555116911e-09, -1.0827422157680274e-09], [-2.6116902954447244e-12, 1.0817610329620686e-10, 1.3862151308854175e-07, 3.6366936408356374e-08], [-3.35659155511692e-09, 1.3862151308854175e-07, 0.0001782505722456464, 4.7064207289317515e-05], [-1.0827422157680295e-09, 3.636693640835637e-08, 4.70642072893175e-05, 1.3488340100671579e-05]]}