{"coeffs": [-1.4918539849528305e-06, 4.2001548842448885e-05, 0.5617939418162707, 0.19474520387472347], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.345344924075457e-07, 6.85984328970734e-06, 0.056836224790464566, 0.025298963410658192], "covariance": [[5.395409205364108e-13, -4.1916970956479414e-12, -3.347875426985044e-08, -1.7335481590795277e-08], [-4.191697095647957e-12, 4.7057449959342824e-11, 3.8879000004301496e-07, 1.6695487927497356e-07], [-3.347875426985059e-08, 3.8879000004301506e-07, 0.003230356448432219, 0.0013690045329540668], [-1.7335481590795314e-08, 1.6695487927497332e-07, 0.0013690045329540642, 0.000640037549653822]]}