{"coeffs": [-5.752191267781662e-07, 1.8002418167216695e-06, 0.25831925217869955, 0.2831824780505428], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [2.7168715348465443e-07, 2.5008034277477807e-07, 0.015527554854190953, 0.06497551881874351], "covariance": [[7.381390936859416e-14, -6.622093582553358e-14, 1.8633532172229533e-09, -1.7537257293190544e-08], [-6.62209358255329e-14, 6.254017784235049e-14, -8.927739797203793e-10, 1.6142043468816848e-08], [1.863353217223122e-09, -8.927739797205472e-10, 0.00024110495974990904, -0.00034108676009859056], [-1.7537257293190455e-08, 1.614204346881693e-08, -0.00034108676009854833, 0.004221818045764893]]}