{"coeffs": [-2.1655106728726278e-06, 0.28614720356981066, 2.357776828789575, 0.21366397994289424], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.776308146838542e-07, 81.32618067267, 61.23865302263643, 0.01438451711637133], "covariance": [[6.047096839458748e-13, -5.411090659888387e-05, -4.075460584903035e-05, -1.047468681654151e-08], [-5.411090659705017e-05, 6613.947662803764, 4980.305310050769, 1.139774567725576], [-4.075460584773196e-05, 4980.305310050888, 3750.1726240268576, 0.8583349729422158], [-1.0474686816367478e-08, 1.1397745677406144, 0.8583349729534195, 0.0002069143326711798]]}