[問題]Curve fitting 輸出誤差

作者: chiangburger (漢堡)   2015-04-13 15:40:57
想要請教一下
我在fit出斜直線後,想要輸出最後的誤差值
請問要怎麼輸出呢
Code如下:
function [estimates, model] = fit_Line(x,y)
start_point = 1;
model = @linfun;
estimates = fminsearch(model, start_point);
function [sse, FittedCurve] = linfun(params)
m = params(1);
fit_Line = m*x;
FittedCurve = fit_Line;
ErrorVector = (FittedCurve - y);
sse = sum(ErrorVector.^2);
end
end
目前只知道從fminsearch下手 找出最小的sse並將它輸出,但不知道實際上要怎麼操作
作者: tn00364361 (小氵斿)   2015-04-15 15:07:00
試著改用least square做?

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