{"coeffs": [1.7141410036173743e-07, 0.27468166945705313, 1.6487530223281117, 0.12633854061229413], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [6.832908925367479e-07, 140.75409756238165, 65.27044775896387, 0.012921704539496854], "covariance": [[4.668864438236656e-13, -6.321091331179048e-05, -2.9322751137669545e-05, -6.902312560120157e-09], [-6.321091331376167e-05, 19811.71598060045, 9187.081997587267, 1.7439524744783175], [-2.932275113853001e-05, 9187.081997587109, 4260.231350655632, 0.8088151440394518], [-6.902312560221411e-09, 1.7439524744586905, 0.8088151440304089, 0.00016697044820605363]]}