{"coeffs": [-8.590443525564897e-07, 0.3254669886714265, 2.06558414479369, 0.17397826386626614], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [4.405683243527581e-07, 86.92089621043601, 46.711718524333186, 0.008496740310796221], "covariance": [[1.9410044842299706e-13, -3.0299147483974092e-05, -1.6286762961452893e-05, -3.341897703481339e-09], [-3.0299147486010403e-05, 7555.242198025389, 4060.22414419414, 0.7146546616743162], [-1.6286762962535147e-05, 4060.2241441939827, 2181.984647496532, 0.3840969439339988], [-3.3418977036009313e-09, 0.7146546616552647, 0.384096943923759, 7.219459590910946e-05]]}