{"coeffs": [1.4890544707328797e-06, 1.2413976737512966, 1.8258207146515386, 0.12375840908428022], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-07, "errors": [2.7468058314278543e-06, 14258.774682668858, 1428.0651415323314, 0.05678893641796555], "covariance": [[7.544942275566066e-12, -0.025373149233301466, -0.0025414341486069453, -1.206024372574095e-07], [-0.025373149233954752, 203312655.4511184, 20362458.95940117, 776.0683463033072], [-0.002541434148653555, 20362458.95940113, 2039370.0484597578, 77.72847446390684], [-1.2060243725966333e-07, 776.0683462993434, 77.72847446352999, 0.0032249832994837337]]}