error bar from xlsx

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Abdullah Al Alhareth
评论： Walter Roberson 2019-10-7
Hello
I have data from excel and I imported and everything going fine except error bar doesn't work
I have an error bar in column 3, this is the first time I use it.
Thank you in advance.
A=importdata('value.xlsx')
x=A.data(:,2)
b=A.data(:,1)
err=A.date(:,3)
S1=plot(x,b,err,'sk','MarkerFaceColor','k')
error(x,b,err)

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Walter Roberson
Walter Roberson 2019-10-7
The function to plot error bars is errorbar() not error()
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Abdullah Al Alhareth
Abdullah Al Alhareth 2019-10-7
Actually the excel I uploaded it's not the right one, but the data I have all three column It should be in same order, for example if I sorted x then the data will be missed up. That's why.
Walter Roberson
Walter Roberson 2019-10-7
filename = 'value.xlsx';
A = importdata('value.xlsx');
x = A.data(:,2);
b = A.data(:,1);
err = A.data(:,3);
plot(x, b, 'sk', 'MarkerFaceColor', 'k')
errorbar(x, b, err)

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