{"coeffs": [-0.8414001295758272, -0.032487960648926145, -0.08094414788340529, 0.06716459504152793], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.543402756658438e-08, 6.262773691206948e-08, 3.265937250523869e-08, 2.947911412950651e-08], "covariance": [[0.0018100733031731692, -0.00032707256779836375, 0.0003742437297857755, -0.00037859409247372426], [-0.0003270725677983637, 0.00124765642595045, 0.00022985766548013352, 0.0003318336221264998], [0.0003742437297857755, 0.00022985766548013346, 0.0003392948308280748, -2.7063078763345433e-05], [-0.0003785940924737243, 0.0003318336221264998, -2.7063078763345433e-05, 0.00027643334417580567]]}