{"coeffs": [4.759074401604543e-07, 1.657171443438766e-05, 0.5844409403085374, 0.06303077605859522], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.957722244927212e-07, 2.8997613807179567e-05, 0.22123250636306216, 0.05787312065479422], "covariance": [[2.4579009857846115e-13, -4.996733485056353e-12, -3.737706487654173e-08, -1.3480763540988468e-08], [-4.996733485056337e-12, 8.40861606510331e-10, 6.390648819629872e-06, 1.5589884520156647e-06], [-3.737706487654159e-08, 6.3906488196298745e-06, 0.048943821871682336, 0.012075584424603417], [-1.348076354098843e-08, 1.5589884520156661e-06, 0.012075584424603424, 0.003349298094324369]]}