[LON-CAPA-users] Tolerance Problems?

[Todd Ruskell]

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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> 

-- 
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