{"coeffs": [-7.948956269818146e-08, 7.048809969761759e-05, 0.7742743408457132, 0.12105996186647267], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [3.376368526043215e-08, 1.7824937687973672e-05, 0.042503288893142616, 0.0039593162568168664], "covariance": [[1.1399864423655231e-15, -3.6674867449725687e-13, -9.034966876623695e-10, -9.917880238125431e-11], [-3.6674867449726005e-13, 3.1772840358014414e-10, 7.566402570633079e-07, 6.720810125074356e-08], [-9.034966876623737e-10, 7.566402570633079e-07, 0.0018065295667339405, 0.00016255141122496064], [-9.917880238125385e-11, 6.720810125074355e-08, 0.00016255141122496064, 1.567618522149432e-05]]}