{"coeffs": [2.0101870409024877e-08, -0.07814891858896739, 2.6748930934609243, 0.14682925196306065], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.629009004986827e-08, 30733.51811231075, 57826.53485320994, 0.16388323128474275], "covariance": [[2.1427724368249136e-15, -0.0013028295796751633, 0.0024513400985083675, 7.3304866223761386e-09], [-0.0013028295716519221, 944549135.5597329, -1777212856.2498343, -4959.677390174412], [0.002451340083245329, -1777212856.2500074, 3343908133.1295037, 9331.87236521114], [7.330486599002489e-09, -4959.677404113383, 9331.872391441928, 0.026857713496328487]]}