{"coeffs": [2.192886717587367e-07, 5.545008341374863e-05, 0.6567882616561282, 0.1159036926235948], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [6.348623341599116e-08, 6.468027701229224e-06, 0.02269650576040844, 0.004124895152081608], "covariance": [[4.030501833349712e-15, -2.4072983168203605e-13, -8.656654997580516e-10, -1.9006130035564154e-10], [-2.4072983168203564e-13, 4.18353823438686e-11, 1.465042128078141e-07, 2.5216256347761415e-08], [-8.6566549975805e-10, 1.4650421280781413e-07, 0.0005151313737322535, 8.992355825558928e-05], [-1.9006130035564156e-10, 2.5216256347761425e-08, 8.992355825558928e-05, 1.701476001566635e-05]]}