{"coeffs": [-8.724501347735389e-07, 0.23466210536700924, 1.8719345190585597, 0.15372957782742858], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.140760722301334e-07, 101.60799970398452, 67.02777349805419, 0.013857237180615085], "covariance": [[3.7708942248558807e-13, -4.638341479239508e-05, -3.0607165568235825e-05, -7.282939394331175e-09], [-4.638341479465567e-05, 10324.185603844919, 6810.557302858198, 1.357124201717674], [-3.060716556984931e-05, 6810.557302857972, 4492.722420106455, 0.8953653513462528], [-7.282939394497582e-09, 1.3571242016901137, 0.8953653513280115, 0.0001920230222798211]]}