As far as I know, no you can't.... Would be bad ass if in the future it could be done!!
There is a app for the iPad that will allow patch editing though, AxePad I think is what
it's called.
I wish I had the AxePad when using my standard. Really a pain in the a** to start and plug the laptop and change parameters with the mouse. I preferred doing it direct on the Axe.
But here with the touchscreen it sounds way more user friendly, and easier to take to a gig if needed.