{"coeffs": [-0.0009866602957026068, 2.0646059483077238e-06, -5.921915193001469, 0.9452870989414802], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [7.707353564177642, 1.590477988867587e-05, 7513.878920298032, 21.46869944226725], "covariance": [[59.4032989632418, -0.00012052795204416588, 57912.055562375026, -164.72349422919984], [-0.00012052795228916282, 2.529620233072284e-10, -0.11753491795020184, 0.0003400878148449252], [57912.05556333718, -0.11753491771331782, 56458376.42889913, -160611.36361729985], [-164.72349440174025, 0.0003400878145156553, -160611.36378284087, 460.9050557424062]]}