Switching off follow-up questions?



Hi,

On May 14, 2007, at 12:16 AM, Robert Dodier wrote:

> On 5/12/07, Gerd Kortemeyer <korte at lite.msu.edu> wrote:
>
>> We are working on integrating Maxima into a student homework system.
>
> Good luck, and keep us posted ...

We'll ship the MAXIMA problem types with version 2.4 of LON-CAPA, for  
which we will have release candidates later this week. Currently, we  
are trying to get it to crash, that's how we came across the follow- 
up questions. See http://www.lon-capa.org/formularesponse.html and  
http://www.lon-capa.org/mathresponse.html for examples of what this  
looks like.

>
>> (%i2) overlap: integrate((6*cos(9*x)+6*sin(8*x))*(j-x),x,-%pi,%pi)/ 
>> %pi;
>> Is  j  positive, negative, or zero?
>>
>> - that's an excellent question, but doesn't work for us, since we are
>> not running interactively. Is there a way to tell Maxima to just
>> throw an error?
>
> I've attached a couple of patches which cause ASKSIGN1
> and ASK-PROP to throw something instead of asking the user.

Thanks for the attachments and pointers to other follow-up questions!  
I'll keep you posted.

- Gerd.