Drawing a Best Line Fit for some Points

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Hollis Williams
Hollis Williams 2020 年 10 月 5 日
回答済み: KSSV 2020 年 10 月 5 日
I have collected some experimental data which results in a set of points with x- and y- coordinates, if I put these into a vector what would be the easiest way to plot them on a graph and then draw a best fit straight line through the points?

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KSSV
KSSV 2020 年 10 月 5 日
Read about polyfit.
p = polyfit(x,y,1) ;
yi = polyval(p,x) ;
plot(x,y,'.r')
hold on
plot(x,yi,'b')

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