{"coeffs": [-3.2882553314780254e-06, 0.0008265829640138766, 4.4253247484056555, 0.8264197124252696], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [3.912668350612114e-06, 0.0815748279761756, 87.22935772163218, 1.1474799093948735], "covariance": [[1.530897362188172e-11, -3.158438558941659e-07, -0.0003379154896333407, -4.477397573834893e-06], [-3.158438559245799e-07, 0.0066544525593426425, 7.115670917335188, 0.09336668010562182], [-0.00033791548966504315, 7.115670917317709, 7608.9608485284725, 99.86438793420909], [-4.477397574051418e-06, 0.09336668010119054, 99.86438792971593, 1.3167101424648673]]}