you should find this link very helpful

https://www.math.uwaterloo.ca/...

I could be wrong, but I think you can use the HTML code associated with the plot in the switch function.  Which would randomly select the HTML code for a given plot.  This in effect will do what you want.

I think I can answer my own question.  I've managed to get this to work using the maple-graded question type, formula answer, symbolic entry only (so that prime notation can be used).  The key seems to be that the maple-generated answer contain the operator D rather than the command diff.  For example, if you ask maple to differentiate sin(f(t)), maple will respond with cos(f(t))*diff(f(t),t).  But if you ask maple to differentiate sin(f(c*t)), then it responds with cos(f(c*t))*D(f)(c*t)*c.  You just need to substitute c=1 into the result. 

The following algorithm works for a question like "find the derivative of sin(f(t)), assuming f is differentiable":

$g=maple("sin(f(c*t))");

$ans=maple("subs(c=1,diff($g,t))");

This will enable students to enter their answer symbolically using f'(t).

@mschneider  thank you. . I did use Maple to generate MML but had not thought of doing Latex. That might be cleaner.  Much appreciated.

Here is a question that uses the letter "U" to formulate a union of two intervals to specify the domain of a function:

The question(.zip) can be downloaded here:  https://naitca-my.sharepoint.c...

***notes:  the question ignores annoying spaces the student might add into their response

This is what the question looks like:

I might suggest an animated 3d plot.  This way the object moves on its own to show all sides.  Animated plots will work with the plotmaple command.

@jmtrik

I am able to run the example you mentioned. However, this feedback is displayed only when the "How did I do?" option is used, otherwise, the text area remains empty after the answer is submitted.

Hi Nico,

Firstly, thanks for the effort in designing the nice questions! I would like to ask about +Quaterions_Rotation question, because of normalizing $k to get $u, the answer that the students need to enter is a decimal approximation. Are you looking to make that exact, or will you add tolerance so the student just enters correct to a number of decimal places?

I think the exact answers make more sense, so I would suggest putting certain variables in quotation marks or evaluating them using maple calls:

$length='sqrt($kx^2+$ky^2+$kz^2)';
.... $angle='$angledeg*Pi/180';

Here are two avenues of support:

Use the HTML question type to communicate with external pages: https://teachingservices.nait....I believe Digital Ed might be working on a way to import LMS assessment content into Mobius.

Thanks,

Mark Schneider
NAIT

Updated basic template for linked answer boxes:  LinkedAnswerBoxes.zip

To the best of my understanding the ability to re-score miss-keyed responses is a feature request (https://ideas.digitaled.com/) and not part of the current release.  Also, and this part is something I am not 100% sure of, if Student A attempted the original question they will see the original question in their gradebook.  While if Student B attempted the "revised" question they will see the "revised" question in their gradebook.  It would be far more confusing if everyone saw the revised question, even though half of them were graded with miss-keyed answer.  To this end, I would recommend using the "edit question comment" field when manually correcting the miss-keyed student responses.

Have you tried using an array of plots?

with(plots):

A:=Array(1..2,1..2):
A[1,1]:=plot(x^2,x=-1..1):
A[1,2]:=plot(sin(x)/x,x=0.1..Pi):
A[2,1]:=plot(cos(x),x=-Pi..Pi):
A[2,2]:=plot(sin(x),x=-Pi..Pi):
display(A,axes=normal,scaling=constrained,size=[300, 300])

Although the Student ID cannot be pulled into the algorithm, there are some other great options....

1)  As Meta mentioned, you can use a combination of Adaptive Assignments utilizing Maple Repositories

2)  You can generate a "pseudo-student" id, using a response from a prior question and then generate a number from that string.

For example:  I built an assignment with the following details:

Question 1: Asks the student to write their name in the box:  "I, ___________, certify that this is my assignment".
-If a student writes a name that does not appear in the comma separated list, their first question is highlighted (as it is graded in-correct).Question 2: Asks the student to write in an ascii-string that resembles their response to question 1 (ie. name):  "take each letter in your name and convert your name to an ASCII string that is padded to a total width of 4-digits per letter: ___________________"
-we use Maple (inside a Maple-graded response) to convert all the possible student names to the same ascii-string and then check to see if the student response is correct (based on their response to the first question).Question 3:  Asks the student to (mod 5) each character in their second answer:  "Take each character in the ASCII string above, find mod 5 of the character, and indicate the resulting string below: ___________"
-Again we use Maple, to check the students supplied answer against what they should have answered based on the first question.

Basically the above allows you to completely customize an assignment based upon what the student responded in the first answer box, on the first question, (I recommend you think about using a table/Matrix with the first column as student names, and each column thereafter as answers to Question#1, Question#2, etc.)

Here is a Mobius Module that demonstrates the above:  Module.zip

Here is a screenshot of what is accomplished:

@chrisb Thanks!

@Metahofzicht

Thanks for the response. 

I found this other option as well.