{"coeffs": [0.011697012930473465, 0.19415828832844237, -0.6962712042916518, 0.22568525798261133], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [1.1050386917623006e-05, 2.427585127174092e-07, 2.3218670980158527e-05, 5.163233885261838e-06], "covariance": [[256.69890107921054, -4.607740837130122, 538.8039050771239, -115.733207035184], [-4.607740837130122, 0.1238847863912085, -9.801890755975865, 2.4179565972031356], [538.8039050771239, -9.801890755975865, 1133.2970414166637, -245.24782138723526], [-115.73320703518398, 2.4179565972031356, -245.24782138723526, 56.041872365535454]]}