Difference between revisions of "PeriodicAnswers"
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Revision as of 16:19, 14 May 2010
Periodic Answers
This PG code shows how to check student answers that are periodic.
| PG problem file | Explanation |
|---|---|
DOCUMENT(); loadMacros( "PGstandard.pl", "MathObjects.pl", ); TEXT(beginproblem()); |
Initialization: |
Context("Numeric");
$answer = Real("pi/2")->with(period=>pi);
|
Setup: This is self-explanatory. |
BEGIN_TEXT
Enter a solution to \( \cos(\theta) = 0 \).
$BR
$BR
\( \theta = \)
\{ ans_rule(10) \}
END_TEXT
|
Main Text: |
$showPartialCorrectAnswers = 1; ANS( $answer->cmp() ); ENDDOCUMENT(); |
Answer Evaluation: |
