{"coeffs": [-4.616846718286481e-07, 8.440634723061e-06, 0.4263111888397099, 0.19372505498544285], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.0178630083362451e-07, 4.695883052964804e-07, 0.0185994238043136, 0.012291773401236387], "covariance": [[1.0360451037393109e-14, -3.891778173458998e-14, -1.3487210837688559e-09, -1.1607636209436659e-09], [-3.891778173459001e-14, 2.2051317647122047e-13, 8.59677039527185e-09, 5.507407969235195e-09], [-1.3487210837688585e-09, 8.596770395271853e-09, 0.0003459385658524674, 0.0002067648893143716], [-1.1607636209436665e-09, 5.507407969235193e-09, 0.00020676488931437143, 0.00015108769334734232]]}