{"coeffs": [-5.650551161698571e-07, 0.6541989936358557, 2.1230443744780105, 0.16299493140530585], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [1.0124110315361917e-06, 1346.696082406809, 337.01759348711334, 0.02413371270372542], "covariance": [[1.0249760967761756e-12, -0.0010454122503877306, -0.0002616492602678573, -2.1362561016428588e-08], [-0.0010454122505838084, 1813590.3383698468, 453860.2661689454, 31.382955013528566], [-0.0002616492603187337, 453860.266168922, 113580.8583198452, 7.854107709659483], [-2.1362561018827312e-08, 31.38295501098791, 7.854107709022919, 0.0005824360888659576]]}