{"coeffs": [-1.7284023566357723e-06, 7.74412070648585e-05, 0.3890391963672631, 0.13960874650066882], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.9775288983219103e-07, 7.833957554528002e-07, 0.0028417026255797674, 0.0020843042808857005], "covariance": [[3.910620543698268e-14, -1.0522270494733897e-13, -2.68097709671097e-10, -3.487598012309505e-10], [-1.0522270494733896e-13, 6.137089096614636e-13, 2.1262751397254725e-09, 1.500021353695135e-09], [-2.6809770967109683e-10, 2.1262751397254725e-09, 8.075273812226944e-06, 4.826291346978365e-06], [-3.487598012309505e-10, 1.500021353695135e-09, 4.826291346978365e-06, 4.344324335318457e-06]]}