{"coeffs": [-1.6037130339541434e-07, 0.3409883051444519, 2.817578303989704, 0.19151293562994565], "function": "lambda x, A, B, C, D: (D + ((C - D) / (1 + numpy.exp((B - x) / A))))", "log_ftol": 1e-08, "errors": [3.9558455644079977e-07, 98236.51225932932, 55289.92235586167, 0.24257134358659915], "covariance": [[1.564871412944643e-13, -0.03674118065611199, -0.020678892265859335, -9.416983842598212e-08], [-0.03674117998793411, 9650412340.87736, 5431489135.160333, 23562.346734674313], [-0.020678891892503427, 5431489135.162687, 3056975514.1172123, 13261.483288029012], [-9.416983754348787e-08, 23562.34693115488, 13261.48339855606, 0.05884085672940794]]}