{"coeffs": [-8.275969496745247e-07, 5.502851762133989e-05, 0.4314227051414699, 0.11447609312621218], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.101743564167177e-07, 3.7289289527149233e-06, 0.01700968313108994, 0.0101593376851017], "covariance": [[3.7231274522855563e-13, -1.30575342224387e-12, -4.445635353223911e-09, -4.662691453469439e-09], [-1.3057534222438695e-12, 1.3904911134395614e-11, 6.151794332850688e-08, 3.4274875728778734e-08], [-4.445635353223906e-09, 6.151794332850687e-08, 0.00028932932022008564, 0.000145840725413156], [-4.662691453469439e-09, 3.427487572877874e-08, 0.00014584072541315606, 0.00010321214219992756]]}