{"coeffs": [6.330519601378867e-07, 0.2620717270260978, 1.8800596657891786, 0.15603144830554525], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [8.979593424942738e-07, 127.11197611773494, 76.27959412095119, 0.016964153618515526], "covariance": [[8.063309807727486e-13, -8.554612267315024e-05, -5.13525587367354e-05, -1.3111829416936763e-08], [-8.554612267640094e-05, 16157.454472555619, 9696.048847877642, 2.0793688311742575], [-5.135255873863189e-05, 9696.048847877404, 5818.576479257051, 1.2479870377333842], [-1.311182941720753e-08, 2.0793688311448206, 1.2479870377157989, 0.00028778250799259346]]}