{"coeffs": [-0.11947225287922496, -1.345185006201338e-07, -0.643067811562198, 0.011145283447831422], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [246.97802591294968, 5.4882288068714615e-08, 23.192753960869652, 0.016210909480235795], "covariance": [[60998.14528385764, 1.6187038136852675e-06, 5728.088748794013, -3.8266354955571877], [1.6187038138741312e-06, 3.012065543657375e-15, 1.514448707639521e-07, -4.427549705307266e-11], [5728.088748791624, 1.5144487074197976e-07, 537.9038362894349, -0.3595686730009181], [-3.8266354953156494, -4.427549702434288e-11, -0.3595686729783822, 0.0002627935861763988]]}