{"coeffs": [-9.163523183885757e-08, 0.033290398143451236, 1.2723718901183172, 0.08159605141337425], "function": "fpl = lambda t, Cl, Cu, A, k: (Cl + ((Cu - Cl) / (1 + numpy.exp((A - t) / k))))", "log_ftol": 1e-05, "errors": [1.897063751175865e-08, 4.31458954919069, 10.54211730599345, 0.0023042490636213265], "covariance": [[3.598850876025444e-16, -3.8601675379236254e-08, -9.436623432427205e-08, -2.593623136695748e-11], [-3.860167538001872e-08, 18.61568297798552, 45.48490293062967, 0.009495398550688903], [-9.436623432583758e-08, 45.48490293062922, 111.1362372933266, 0.023204481282724794], [-2.5936231367222902e-11, 0.00949539855063363, 0.02320448128259145, 5.309563747199761e-06]]}