Error bars are all the same size?
显示 更早的评论
Here is my code:
x = [8,9,10,12,14,16,18,20,25,30,40,50];
y = [10.7,8.9,7.3,5.5,4.3,3.4,2.7,2.3,1.6,1.1,0.7,0.5];
x = 1./(x.^2);
[c,s] = polyfit(x,y,1);
[f,delta] = polyval(c,x,s);
plot(x,y)
errorbar(x,f,delta)
Why does the plot result in the error bars all being the same size because experimentally they shouldn't be. What am I doing wrong?
采纳的回答
Azzi Abdelmalek
2014-4-1
编辑：Azzi Abdelmalek
2014-4-1
If you look at delta, you can see that the values are not equal
0.2935 0.2719 0.2608 0.2526 0.2515 0.2522 0.2535 0.2547 0.2571 0.2587 0.2605 0.2614
The values are slightly different, visually, you can't see the difference in the figure
更多回答（0 个）
类别
在 帮助中心 和 File Exchange 中查找有关 Errorbars 的更多信息
Community Treasure Hunt
Find the treasures in MATLAB Central and discover how the community can help you!
Start Hunting!
Translated by 
