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6 | :A numerical exercise with 4 random parameters. |
6 | :A numerical exercise with 4 random parameters. |
7 | 7 | ||
8 | The numeric reply is computed with respect to random values of 4 parameters, |
8 | The numeric reply is computed with respect to random values of 4 parameters, |
9 | according to various formulas. |
9 | according to various formulas. |
10 | <p> |
- | |
11 | Author of the model: |
10 | <p>Author of the model: Gang Xiao <qualite@wimsedu.info></p> |
12 | 11 | ||
13 | :%%%%%%%%%%%%%%%%% ATTENTION %%%%%%%%%%%%%%%%%%%% |
12 | :%%%%%%%%%%%%%%%%% ATTENTION %%%%%%%%%%%%%%%%%%%% |
14 | 13 | ||
15 | Remove the above header if you destroy the model tags i.e.the lines starting |
14 | Remove the above header if you destroy the model tags i.e.the lines starting |
16 | with a ':'. Otherwise the exercise might not be recognised by Createxo. |
15 | with a ':'. Otherwise the exercise might not be recognised by Createxo. |
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44 | $embraced_randitem |
43 | $embraced_randitem |
45 | \text{explain= |
44 | \text{explain= |
46 | Compute the determinant of the matrix \([\a,\b;\c,\d]). |
45 | Compute the determinant of the matrix \([\a,\b;\c,\d]). |
47 | } |
46 | } |
48 | 47 | ||
49 | : |
48 | :Embraced random items |
50 | $embraced_randitem |
49 | $embraced_randitem |
51 | \text{accolade=item(1,1 |
50 | \text{accolade=item(1,1 yes, |
52 | 2 |
51 | 2 no)} |
53 | 52 | ||
54 | :%% |
53 | :%% Do not modify |
55 | \text{accolade=wims(word 1 of \accolade)} |
54 | \text{accolade=wims(word 1 of \accolade)} |
56 | - | ||
57 | \text{explain=\accolade=1 ?wims(embraced randitem \explain)} |
55 | \text{explain=\accolade=1 ?wims(embraced randitem \explain)} |
58 | 56 | ||
59 | :%%%%%%%%%%%%% Now the statement in html. %%%%%%%%%%%%%%%%%%%% |
57 | :%%%%%%%%%%%%% Now the statement in html. %%%%%%%%%%%%%%%%%%%% |
60 | 58 | ||
61 | ::You don't need to modify this in general. |
59 | ::You don't need to modify this in general. |