{"coeffs": [7.457992649515974e-07, 1.4050165012462257, 1.786079948395547, 0.11850146956646179], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [6.823453925577012e-07, 4490.421457395173, 380.34822935082633, 0.013635290903897387], "covariance": [[4.655952347447234e-13, -0.001923771016915366, -0.00016296120715160437, -7.019685926276943e-09], [-0.0019237710172234277, 20163884.865034986, 1707923.8414297388, 58.63226602751297], [-0.00016296120717387722, 1707923.841429708, 144664.7755703088, 4.966429999505963], [-7.019685926914296e-09, 58.632266024368, 4.966429999240201, 0.00018592115803390684]]}