{"coeffs": [-6.345712468630399e-07, 5.6651324676343655e-05, 0.45947929246680075, 0.113341042227127], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-08, "errors": [2.0459572249343747e-07, 1.6829120306475574e-06, 0.007296786087039665, 0.003799040467706035], "covariance": [[4.185940966261168e-14, -1.9590683029670757e-13, -6.965638667834483e-10, -5.754224150622118e-10], [-1.9590683029670752e-13, 2.8321929028982853e-12, 1.2052333076661517e-08, 5.828667502341384e-09], [-6.965638667834484e-10, 1.2052333076661516e-08, 5.3243087200015626e-05, 2.430842198006334e-05], [-5.754224150622118e-10, 5.828667502341384e-09, 2.430842198006334e-05, 1.4432708475268088e-05]]}