{"coeffs": [-4.156345646585619e-06, 0.00010836450717929061, 0.6041207988361497, 0.21974848499701563], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0215742243372644e-06, 1.661814410782408e-05, 0.05843981967671931, 0.01974858624541604], "covariance": [[1.0436138958302832e-12, -1.4438846166854138e-11, -5.043377680677843e-08, -1.8980926438598315e-08], [-1.4438846166854251e-11, 2.7616271358840817e-10, 9.702305259700771e-07, 3.175295121348199e-07], [-5.043377680677886e-08, 9.702305259700771e-07, 0.0034152125238474697, 0.0011176469906736353], [-1.898092643859838e-08, 3.1752951213481894e-07, 0.0011176469906736316, 0.0003900066586926356]]}