From SIMIN at engr.sc.edu  Tue Dec 11 12:00:12 2018
From: SIMIN at engr.sc.edu (SIMIN, GRIGORY)
Date: Tue, 11 Dec 2018 17:00:12 +0000
Subject: [LON-CAPA-users] Function Plot Response errors
Message-ID: <2C6C6C3AF1C3624B96B10D9F7FC0B93B65064F12@CAE145EMBP03.ds.sc.edu>

Hello LON-CAPA users,
I generated few problems using Function Plot Response (Bode plots in Electric Circuits).
I am having two issues that I am not able to resolve.

1) One student (out of around 50!) cannot submit the curve:
The student is getting a message ?Not a Function?, after hitting the submit button no matter how the curve to be submitted looks.
The issue does not depend on the browser used, nor on particular PC. We ?ve tried this from another PC.
The problems given to all students are mainly identical. Randomization does not involve anything related to the function plot.
However just one out 50 is having this issue.

Any ideas why this might be happening?

2) Whenever I try to manually grade or view submissions for the Function Plot problems, very often while opening the student problem page,
an error message pops-up :?GeoGebra Error. Redefinition Failed?. The only option is to hit OK.
After that I can still see the submitted curve and computer graded results.
But what  triggers this message and can this error possibly lead to some errors in computer-graded Function Plot Response problems?

Any help is greatly appreciated.
Thank you,
Grigory



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From dmills at illinois.edu  Tue Dec 11 14:03:10 2018
From: dmills at illinois.edu (Mills, Douglas G)
Date: Tue, 11 Dec 2018 19:03:10 +0000
Subject: [LON-CAPA-users] checking for SHOW_ANSWER status in a Sequence
	Conditional?
Message-ID: <3BE8D0D5-5B0E-43FF-9AB6-D2257172A40B@illinois.edu>

Hi All,

I know that within a problem you can use $external::datestatus to check for "SHOW_ANSWER" status. Is there any way to do this within a conditional in a sequence?  I'm thinking there must be a way to allow students who did not complete a conditional sequence to see all the parts of the sequence once answers become available but I'm not finding a way to embed $external::datestatus successfully into the conditional in a sequence and I'm not seeing another way to check for that. Guidance as always appreciated!

Doug

Douglas Mills
Director of Instructional Technology
Department of Chemistry
University of Illinois

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From raeburn at msu.edu  Tue Dec 11 18:06:29 2018
From: raeburn at msu.edu (Raeburn, Stuart)
Date: Tue, 11 Dec 2018 23:06:29 +0000
Subject: [LON-CAPA-users] checking for SHOW_ANSWER status in a
	Sequence	Conditional?
In-Reply-To: <3BE8D0D5-5B0E-43FF-9AB6-D2257172A40B@illinois.edu>
References: <3BE8D0D5-5B0E-43FF-9AB6-D2257172A40B@illinois.edu>
Message-ID: <SN1PR12MB2509153790346284CD3CF056B6A60@SN1PR12MB2509.namprd12.prod.outlook.com>

Doug,

Use conditions of the following type (for each link between resources in your conditional sequence)

((&EXT('resource.0.answerdate','alias') > 0) && 
(&EXT('system.time') > &EXT('resource.0.answerdate','alias')))

with "Blocking this link if false" checked, where alias is the appropriate mapalias for each problem for which the answerdate should be checked.

If you already have an existing condition for each link of type: "Blocking this link if false", you could use ||  (i.e. OR) between the two conditions, such that the link will be unblocked if either the existing condition, or this new one, (based on answerdate), evaluates to true.

Stuart Raeburn
LON-CAPA Academic Consortium

________________________________________
From: LON-CAPA-users <lon-capa-users-bounces at mail.lon-capa.org> on behalf of Mills, Douglas G <dmills at illinois.edu>
Sent: Tuesday, December 11, 2018 2:03 PM
To: Discussion list for LON-CAPA users
Cc: Mills, Douglas G
Subject: [LON-CAPA-users] checking for SHOW_ANSWER status in a Sequence Conditional?

Hi All,

I know that within a problem you can use $external::datestatus to check for "SHOW_ANSWER" status. Is there any way to do this within a conditional in a sequence?  I'm thinking there must be a way to allow students who did not complete a conditional sequence to see all the parts of the sequence once answers become available but I'm not finding a way to embed $external::datestatus successfully into the conditional in a sequence and I'm not seeing another way to check for that. Guidance as always appreciated!

Doug

Douglas Mills
Director of Instructional Technology
Department of Chemistry
University of Illinois


From dmills at illinois.edu  Tue Dec 11 18:16:04 2018
From: dmills at illinois.edu (Mills, Douglas G)
Date: Tue, 11 Dec 2018 23:16:04 +0000
Subject: [LON-CAPA-users] checking for SHOW_ANSWER status in a Sequence
 Conditional?
In-Reply-To: <SN1PR12MB2509153790346284CD3CF056B6A60@SN1PR12MB2509.namprd12.prod.outlook.com>
References: <3BE8D0D5-5B0E-43FF-9AB6-D2257172A40B@illinois.edu>
 <SN1PR12MB2509153790346284CD3CF056B6A60@SN1PR12MB2509.namprd12.prod.outlook.com>
Message-ID: <929B48BD-3AF6-43FF-B986-57128CA7C416@illinois.edu>

Thank you Stuart. There is always a way in Lon-Capa!
 
Doug

 

Douglas Mills

Director of Instructional Technology

Department of Chemistry

University of Illinois


 

?On 12/11/18, 5:07 PM, "LON-CAPA-users on behalf of Raeburn, Stuart" <lon-capa-users-bounces at mail.lon-capa.org on behalf of raeburn at msu.edu> wrote:

    Doug,
    
    Use conditions of the following type (for each link between resources in your conditional sequence)
    
    ((&EXT('resource.0.answerdate','alias') > 0) && 
    (&EXT('system.time') > &EXT('resource.0.answerdate','alias')))
    
    with "Blocking this link if false" checked, where alias is the appropriate mapalias for each problem for which the answerdate should be checked.
    
    If you already have an existing condition for each link of type: "Blocking this link if false", you could use ||  (i.e. OR) between the two conditions, such that the link will be unblocked if either the existing condition, or this new one, (based on answerdate), evaluates to true.
    
    Stuart Raeburn
    LON-CAPA Academic Consortium
    
    ________________________________________
    From: LON-CAPA-users <lon-capa-users-bounces at mail.lon-capa.org> on behalf of Mills, Douglas G <dmills at illinois.edu>
    Sent: Tuesday, December 11, 2018 2:03 PM
    To: Discussion list for LON-CAPA users
    Cc: Mills, Douglas G
    Subject: [LON-CAPA-users] checking for SHOW_ANSWER status in a Sequence Conditional?
    
    Hi All,
    
    I know that within a problem you can use $external::datestatus to check for "SHOW_ANSWER" status. Is there any way to do this within a conditional in a sequence?  I'm thinking there must be a way to allow students who did not complete a conditional sequence to see all the parts of the sequence once answers become available but I'm not finding a way to embed $external::datestatus successfully into the conditional in a sequence and I'm not seeing another way to check for that. Guidance as always appreciated!
    
    Doug
    
    Douglas Mills
    Director of Instructional Technology
    Department of Chemistry
    University of Illinois
    
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