{"coeffs": [-2.6196703642385094e-06, 7.515753112525348e-05, 0.3598090852049434, 0.1460761328131677], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.419868068950519e-07, 1.331483356753001e-06, 0.004956623511308229, 0.0042456253672558605], "covariance": [[1.953523374692839e-13, -4.130298619288753e-13, -9.370381377960568e-10, -1.6273268318802714e-09], [-4.130298619288753e-13, 1.772847929310239e-12, 6.122936310355854e-09, 5.196237834378012e-09], [-9.370381377960568e-10, 6.122936310355852e-09, 2.4568116632853517e-05, 1.603601889717656e-05], [-1.6273268318802714e-09, 5.196237834378012e-09, 1.603601889717656e-05, 1.802533475908646e-05]]}