{"coeffs": [-5.79924538106818e-07, -1.3389219429040108e-08, -0.27451410959851413, 0.041277692652568976], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [4.868759110237652e-07, 2.4981814170083535e-07, 0.1908104068488276, 0.16497823712091617], "covariance": [[2.370481527352213e-13, -1.2879169944200006e-14, 4.891189320475348e-08, -4.167728263914761e-08], [-1.2879169944200006e-14, 6.240910392285865e-14, 1.08438783563549e-08, 1.2732407839776563e-08], [4.891189320475348e-08, 1.0843878356354899e-08, 0.03640861136181511, -0.006301300622836754], [-4.167728263914761e-08, 1.2732407839776563e-08, -0.006301300622836753, 0.027217818723525238]]}