{"coeffs": [-6.238420123849593e-07, 0.00019619503244319323, 0.7330352788425241, 0.14221772248175696], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.2806345207464629e-07, 1.26982102385591e-05, 0.014871286468557163, 0.002564005299462653], "covariance": [[1.6400247757275228e-14, -1.1546169371087323e-12, -1.3838805806377803e-09, -2.74539299031216e-10], [-1.1546169371087262e-12, 1.6124454326264716e-10, 1.8854877921255484e-07, 3.109002507109532e-08], [-1.3838805806377692e-09, 1.885487792125549e-07, 0.00022115516122989137, 3.690103520042582e-05], [-2.7453929903121516e-10, 3.10900250710954e-08, 3.6901035200425885e-05, 6.574123175672569e-06]]}