{"coeffs": [-4.450349811671651e-07, 0.0002402974367194611, 1.054454523010734, 0.16608919301195404], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.989463438270235e-08, 0.0001749807137271919, 0.1446837582285985, 0.006283458866844677], "covariance": [[4.885259915491637e-15, -9.468169500973739e-12, -7.967305453001577e-09, -3.869857687573854e-10], [-9.468169500973675e-12, 3.061825017647749e-08, 2.5305430998517006e-05, 1.0612824349638031e-06], [-7.967305453001443e-09, 2.5305430998517003e-05, 0.020933389895151547, 0.0008841841195508612], [-3.869857687573846e-10, 1.0612824349638033e-06, 0.0008841841195508612, 3.9481855331328995e-05]]}