{"coeffs": [-4.7339297499502805e-07, 0.2507359716868827, 1.9119782551545115, 0.15511058269295547], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.310198483692752e-07, 149.6917558791241, 93.23651526432867, 0.01605518667940163], "covariance": [[3.9818604903598313e-13, -7.056618901212429e-05, -4.3964021711937676e-05, -8.7008323036633e-09], [-7.05661889957207e-05, 22407.621778175282, 13956.736668475363, 2.3171208602885036], [-4.396402170153974e-05, 13956.736668477122, 8693.047778635393, 1.4433854266695194], [-8.700832302627247e-09, 2.3171208604996836, 1.4433854268007962, 0.00025776901931043555]]}