{"coeffs": [7.224835852144407e-08, 6.543860213461621e-05, 0.6993971363397776, 0.11603568303429407], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.760453872649119e-08, 9.166340791685622e-06, 0.02526368284611709, 0.0035693538598167507], "covariance": [[2.2661921073619997e-15, -2.5658704410353417e-13, -7.297923940071245e-10, -1.2310087393497003e-10], [-2.56587044103536e-13, 8.40218035093198e-11, 2.311665589198506e-07, 3.1023618466902644e-08], [-7.297923940071278e-10, 2.311665589198505e-07, 0.0006382536709491908, 8.689843760849867e-05], [-1.2310087393497036e-10, 3.1023618466902564e-08, 8.689843760849849e-05, 1.2740286976588736e-05]]}