{"coeffs": [-3.4108835630280177e-06, 0.7357532441795166, 2.2620819524448716, 0.19099284112787274], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [5.133584688128105e-06, 1588.342837121275, 414.90770975164725, 0.05857366826748119], "covariance": [[2.6353691750183332e-11, -0.006709438712506236, -0.0017529359663992976, -2.751747431888186e-07], [-0.006709438712465371, 2522832.968234461, 659015.6611635002, 90.30624707999415], [-0.0017529359663856472, 659015.6611635024, 172148.40761135714, 23.59153413099741], [-2.751747431882811e-07, 90.3062470802488, 23.591534131063238, 0.0034308746143089336]]}