{"coeffs": [-4.1065547543489323e-07, 0.2028099428451929, 2.0676937078661264, 0.1722153087018646], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.28036735231051e-07, 150.513913000028, 129.34539988878078, 0.02141779546998333], "covariance": [[3.9443014079967733e-13, -7.444323082331275e-05, -6.398753615536934e-05, -1.197190305453724e-08], [-7.444323083451611e-05, 22654.438006579996, 19468.281061520596, 3.1183609945212916], [-6.398753616515413e-05, 19468.281061518937, 16730.232472388612, 2.6800364122259883], [-1.1971903055453292e-08, 3.118360994323491, 2.6800364120562277, 0.0004587219627940384]]}