{"coeffs": [0.14299790578557495, -1.3059621014250306e-07, -1.222978507343713, 0.06416246217882939], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [36.31560533370308, 1.9400350411648352e-07, 16.482197143844157, 0.03646482293260729], "covariance": [[1318.8231907532836, 3.076657168438502e-07, -598.4212429086821, 0.596560280369175], [3.076657168481503e-07, 3.7637359609474434e-14, -1.1232484417895054e-07, -2.4492164285076644e-09], [-598.4212429086667, -1.1232484417768107e-07, 271.66282268854445, -0.28227446583151383], [0.5965602803677745, -2.4492164285076487e-09, -0.2822744658308796, 0.0013296833115064026]]}