0 个投票

Hei
I plot two lines using
plot(1961:2017,res(:,2))
hold on
plot(1961:2017,res(:,4),'--')
Then in figure clicking on Tools I can do basic linear fitting through series one (data1)
When I also want to do a linear fit through series two(data2), the first fit disappears
How can I keep both linear fits (through data1 and data2) in place
I tried lsline but this can only be applied to scatter (x,y) it looks like
What other possibilities are there.
Regards
Johannes

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Luna
Luna 2019-1-22

0 个投票

Try to define the axis handle inside the figure. Than hold it:
hFig = figure;
hAxis = axes(hFig);
hold(hAxis,'on')
plot(hAxis,data1,'*r');
plot(hAxis,data2,'b');

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Johannes Deelstra
Johannes Deelstra 2019-1-22
Thanks for answering, but how can I do the linear fitting through both data sereies 1 and 2
Luna
Luna 2019-1-22
Share your sample data and what have you done so far. So that we can help you.
Johannes Deelstra
Johannes Deelstra 2019-1-22
Hei Luna
I fixed the problem by using polyfit and polyval
Thanks for helping
Luna
Luna 2019-1-22
Your welcome :)

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