{"coeffs": [-0.9594836462641207, 1.997220525898754e-06, -2.833197799545197, 0.22527630544378086], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [161.6231371204607, 9.148586781550495e-07, 37.97691398717635, 0.032233429447845595], "covariance": [[26122.038452659242, 2.666367394429572e-06, 6137.70735446234, -0.40042167396413747], [2.6663673957645387e-06, 8.369664009956044e-13, 4.1143067921589933e-07, 2.1019489920290784e-08], [6137.707354461602, 4.114306788911229e-07, 1442.245995989391, -0.10488271706039305], [-0.4004216738937822, 2.1019489920319133e-08, -0.1048827170438462, 0.0010389939739692397]]}