{"coeffs": [-6.987838083397449e-07, 0.0001088693955125998, 0.7620258506079208, 0.16541035043981522], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [5.27199414285605e-07, 4.7499636208033325e-05, 0.11515562719184814, 0.019897104459595083], "covariance": [[2.7793922242308494e-13, -1.9365010482335453e-11, -4.7919304592527715e-08, -9.288550987909459e-09], [-1.936501048233546e-11, 2.2562154398955104e-09, 5.462911650421956e-06, 9.083304781034437e-07], [-4.791930459252786e-08, 5.462911650421956e-06, 0.013260818473947915, 0.0022275125559614722], [-9.288550987909452e-09, 9.083304781034434e-07, 0.002227512555961472, 0.0003958947658760386]]}