Subject: help in pendulum model

Posted by Dr. Niall Palfreyman on 9/29/2008
In Reply To:help in pendulum model Posted by Dr. Niall Palfreyman on 9/28/2008

Message:

> For some reasons that I dont understand, I cant remove the tick on non-negative checkbox on the stock.
>
I'm afraid I'm out of my depth here - I no longer use Stella for my work. Does anyone have any ideas why Severino can't uncheck the non-negative stock checkbox? Is there some kind of lock mechanism which prevents such changes in Stella?

Best wishes,
Niall Palfreyman.

Follow Ups:

help in pendulum model - Bill Braun 9/29/2008 
help in pendulum model - Severino Salmo 9/30/2008
help in pendulum model - Bill Braun 9/30/2008
help in pendulum model - Steve Peterson 9/30/2008
help in pendulum model - Jay Forrester 9/30/2008
help in pendulum model - Karim Chichakly 9/30/2008
help in pendulum model - Jay Forrester 9/30/2008
help in pendulum model - Karim Chichakly 9/30/2008
help in pendulum model - Paul Newton 9/30/2008
help in pendulum model - Bill Braun 9/30/2008