I suppose the only way to make sense of it is you want the df/d\alpha at a particular value of alpha.
@Yoobi In general if you make a MWE, it will make it easier to help you Please read: make it easier to help you
I suppose the only way to make sense of it is you want the df/d\alpha at a particular value of alpha.
@Yoobi In general if you make a MWE, it will make it easier to help you Please read: make it easier to help you