{"coeffs": [-1.616228270973661e-06, 8.656151595779554e-05, 0.3487810533835265, 0.10877744427955621], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [4.527273617884936e-07, 1.2358258809031056e-06, 0.003666917099741149, 0.0031915846296233013], "covariance": [[2.049620641119696e-13, -3.0425757756520857e-13, -2.754729201468504e-10, -1.0917740336595434e-09], [-3.0425757756520847e-13, 1.527265607909937e-12, 3.92863890741688e-09, 3.4152198673561134e-09], [-2.754729201468502e-10, 3.928638907416879e-09, 1.344628101637404e-05, 7.4161942497159775e-06], [-1.0917740336595432e-09, 3.4152198673561134e-09, 7.4161942497159775e-06, 1.0186212448047707e-05]]}