I have found one example with a related link to an app note on neural networks on NI's site.
http://eagle.ni.com/stage/we/niepd_web_display.DISPLAY_EPD4?p_guid=B45EACE3EDBB56A4E034080020E74861&p_node=DZ52000_US&p_submitted=N&p_rank=&p_answer=&p_source=Internal
I could not find anything specifically for Hopfield neural nets on NI's site or on the web.