How to draw the uncertainty of the line shape of fit?

I fit some plots by root TMinuit. And I draw the fitting line shape by TF1. However I want to draw the uncertainty of the line shape, like the shadow of the attachment.

Please read tips for efficient and successful posting and posting code

ROOT Version: Not Provided
Platform: Not Provided
Compiler: Not Provided

If the shadow area is indeed some graph or histogram with errors, you can use the option E3.

This topic was automatically closed 14 days after the last reply. New replies are no longer allowed.