[LON-CAPA-users] Tolerance Problems?
Mon, 10 Sep 2007 12:13:23 -0700
On 9/10/07, Todd Ruskell <firstname.lastname@example.org> 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.
> 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
> >> _______________________________________________
> >> LON-CAPA-users mailing list
> >> LON-CAPAemail@example.com
> >> 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
Raymond J. Batchelor
Dept of Chemistry
Simon Fraser University