{"coeffs": [2.551771845699486e-08, 1.1483054340797398, 2.1058440606941295, 0.15328981198948777], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-06, "errors": [8.763091713067983e-07, 3235.5239628787517, 433.6318277286739, 0.019023952024464365], "covariance": [[7.679177637164075e-13, -0.0021045130209196065, -0.00028207339779416066, -1.4252547190904664e-08], [-0.002104513020423709, 10468615.314362623, 1403026.1606411487, 59.32380529629596], [-0.0002820733977264549, 1403026.1606412015, 188036.5620193103, 7.950952479245054], [-1.4252547189143918e-08, 59.32380530176126, 7.9509524799752445, 0.00036191075062912186]]}