{"coeffs": [-8.502874390136044e-07, 0.00019573207233283154, 0.8535431088160363, 0.15790932159114426], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [7.058296918981357e-07, 0.00021250147016962624, 0.24335382509673942, 0.026187088281312186], "covariance": [[4.981955539650172e-13, -1.1317334322835145e-10, -1.328895489692319e-07, -1.6053130414577338e-08], [-1.1317334322834659e-10, 4.515687482425255e-08, 5.165531172146244e-05, 5.3509879500174775e-06], [-1.328895489692271e-07, 5.165531172146255e-05, 0.05922108418921444, 0.006200204238621833], [-1.605313041457705e-08, 5.350987950017559e-06, 0.006200204238621913, 0.0006857635926532379]]}