{"coeffs": [8.571924777001073e-08, 0.06060860534751559, 2.0165189026334045, 0.14382649081572127], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [1.0642318804781062e-07, 777.177187251797, 1853.4542433081224, 0.060131975803528304], "covariance": [[1.1325894954259663e-14, -5.709886710660281e-05, -0.0001361817636918486, -5.194651958168623e-09], [-5.709886712421242e-05, 604004.3803846147, 1440462.3496034374, 44.876694041889024], [-0.000136181763734886, 1440462.3496033822, 3435292.632036885, 107.02718475642891], [-5.1946519589496495e-09, 44.87669403642956, 107.02718474338045, 0.003615854514036113]]}