Peter M. Traub wrote:
> 
> I'm wondering if it is possible to control a GEN function w/k-rate

You can manipulate tables on the fly using tablew, tablewk, 
tablewkt, tablegpw. Then use the modified tables normally in 
oscil etc. 
tableng, tablegpw, tablera, tablewa and some others may also 
be relevant.
All these are documented in the HTML manual.


Good luck,