{"coeffs": [-135.602271886018, 0.10981105420370724, -4.1762609895199505, 0.634229522571894], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [0.5566675199846269, 2.101462355650387e-06, 0.0026669153278443387, 1.0521037523248192e-05], "covariance": [[1106118110238.808, -4077684.9298816863, 5299242602.827723, -20786501.612568263], [-4077684.9298816863, 15.763511506725667, -19544.7988345072, 78.41029095480638], [5299242602.827723, -19544.7988345072, 25387982.692638334, -99608.37333271369], [-20786501.612568263, 78.41029095480637, -99608.37333271367, 395.1180571776908]]}