{"coeffs": [-2.1037984101514127e-06, 7.503562127581057e-05, 0.40763053579187825, 0.13483280565825326], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.433869348396443e-07, 2.580386891234092e-06, 0.009454471937544177, 0.006304696091150829], "covariance": [[2.9526936095442383e-13, -9.271366257832157e-13, -2.537434439162257e-09, -2.8406766541018844e-09], [-9.271366257832153e-13, 6.658396508452742e-12, 2.3570467869244208e-08, 1.4935256082660738e-08], [-2.5374344391622517e-09, 2.3570467869244198e-08, 8.938703961781032e-05, 4.999913567692095e-05], [-2.8406766541018835e-09, 1.4935256082660744e-08, 4.9999135676921e-05, 3.974919280177255e-05]]}