Question about TolX and TolFun

Hello, i'm trying to understand what this line means in my matlab code :

optimset('TolFun',1e-6,'TolX',1e-6,'display','iter');

Does anyone can help me to understand this line ?

Thanks a lot !

Answer 1

[the cyclist]

This is explained in the Tolerances and Stopping Criteria section of this documentation page.