{"coeffs": [-3.04359704380512e-07, 2.6285408263925193e-05, 0.9458762336053357, 0.236306040368414], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [1.3070409814341484e-07, 1.8186076390024147e-05, 0.2395030261620638, 0.03223066356071784], "covariance": [[1.708356127148342e-14, -2.0937954925133842e-12, -2.7990860672065365e-08, -4.015656630003387e-09], [-2.0937954925132667e-12, 3.3073337446379376e-10, 4.35246846750675e-06, 5.720828605613805e-07], [-2.7990860672064012e-08, 4.3524684675067674e-06, 0.057361699540786217, 0.0075899096375088996], [-4.015656630003277e-09, 5.720828605613947e-07, 0.007589909637509056, 0.0010388156735641847]]}