{"coeffs": [-7.128293554094492e-07, 4.516981716019995e-05, 0.42505024076638936, 0.12208896665935438], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0837820747002684e-07, 1.1909147208009556e-06, 0.006900157421011454, 0.004226154693384156], "covariance": [[4.342147734842155e-14, -1.5107967940832504e-13, -6.621157844694874e-10, -6.900869752281832e-10], [-1.510796794083251e-13, 1.4182778722204182e-12, 7.973872681166758e-09, 4.58223189253898e-09], [-6.621157844694873e-10, 7.973872681166758e-09, 4.761217243473944e-05, 2.4680739353407932e-05], [-6.900869752281832e-10, 4.58223189253898e-09, 2.4680739353407935e-05, 1.7860383492412927e-05]]}