[LON-CAPA-users] Tolerance Problems?

[Ray Batchelor]

#5092

On 9/10/07, Todd Ruskell <truskell@mines.edu> wrote:
> Thanks Guy,
>
> This is only a one part problem, so I never thought to "show all parts".
>  Sure enough, I didn't have the tolerance set at the "lowest part
> level."  All seems fine now.
>
> Todd
>
> Guy Albertelli II wrote:
> > Hi Todd,
> >
> >> I'm having difficulties adjusting the tolerance of a problem.  The
> >> course tolerance is set to 2%.  I have a graphical problem with a 15%
> >> tolerance coded in the problem, but it isn't taking.
> >
> > Hi Todd, all of the info about how the decision about what tolerance
> > to use is shown in the PPRM screen.
> >
> > So go to the resource click on PPRM, on that screen check the 'Show
> > all Parts', fill in a student you want to examine.
> >
> > You should see two Numerical Tolerance lines.
> >
> > The course default will occur in the first column of the Part 0 line.
> >
> > Depending on how your problem is written you'll have a 15% in either
> > the part 0 line or the part 0_<responseid> line. (It will be in the 0
> > line if you have <problem><parameter><*response>
> > It will be in the 0_<responsid> line if you put it inside the response
> > <problem><*response><responseparam>
> >
> > The cascade to find which parameter takes effect works from the far
> > right to the left across the 0_<responseid> line, and then from the
> > far right across the Part 0 line.
> >
> > (Which attempts to cascade from 'more specfic' to 'most generic')
> >
> >
> > My guess you may have a student or section level parameter in
> > effect for the whole course that is overriding the desired parameter.
> >
> >
> > But this screen should give you the full picture for a specfic
> > student and find where it is picking the parameter from.
> >
> >
> >
> >> The accepted range
> >> looks ok in construction space, but not within the course--The default
> >> 2% is what is reported, for example, by PGRD:
> >>
> >> Answer for Part: 0   1.67E-01 [0.163856,0.170544]    Unit: N
> >>
> >> I've also tried setting the tolerance for the individual problem
> >> separately in PARM, and that doesn't seem to be taking, either.
> >>
> >> I noticed this on 2.5.0 just before I upgraded, as well as 2.5.1.
> >>
> >> Anyone else having this problem, or am I missing something?
> >>
> >> Thanks,
> >>
> >> Todd
> >> --
> >> Dr. Todd Ruskell
> >> Senior Lecturer, Department of Physics       Office:  Meyer Hall 326
> >> Colorado School of Mines                     Phone: 303-384-2080
> >> 1523 Illinois Street                         Fax: 303-273-3919
> >> Golden, CO 80401
> >> _______________________________________________
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> >> LON-CAPA-users@mail.lon-capa.org
> >> http://mail.lon-capa.org/mailman/listinfo/lon-capa-users
> >
>
> --
> Dr. Todd Ruskell
> Senior Lecturer, Department of Physics       Office:  Meyer Hall 326
> Colorado School of Mines                     Phone: 303-384-2080
> 1523 Illinois Street                         Fax: 303-273-3919
> Golden, CO 80401
> _______________________________________________
> LON-CAPA-users mailing list
> LON-CAPA-users@mail.lon-capa.org
> http://mail.lon-capa.org/mailman/listinfo/lon-capa-users
>


-- 
Raymond J. Batchelor
Dept of Chemistry
Simon Fraser University