{"coeffs": [-7.203949608671341e-08, 0.11583574453333213, 1.2835394022129332, 0.07930335235955943], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [7.526192382606266e-08, 36.01549440711788, 24.810357640683424, 0.0037772516914968395], "covariance": [[5.6643571780000594e-15, -1.2512524643424265e-06, -8.622871338633578e-07, -1.654705464093058e-10], [-1.25125246430997e-06, 1297.1158373891392, 893.557232300184, 0.129946947558854], [-8.622871338401281e-07, 893.557232300191, 615.5538462586184, 0.08952838566681849], [-1.6547054640765895e-10, 0.12994694755969793, 0.08952838566739701, 1.4267630340915736e-05]]}