Difference between revisions of "PeriodicAnswers1"
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<pre> |
<pre> |
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DOCUMENT(); |
DOCUMENT(); |
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+ | |||
loadMacros( |
loadMacros( |
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"PGstandard.pl", |
"PGstandard.pl", |
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"AnswerFormatHelp.pl", |
"AnswerFormatHelp.pl", |
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); |
); |
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TEXT(beginproblem()); |
TEXT(beginproblem()); |
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</pre> |
</pre> |
Revision as of 19:40, 30 November 2010
Periodic Answers
This PG code shows how to check student answers that are periodic.
- Download file: File:PeriodicAnswers1.txt (change the file extension from txt to pg)
- File location in NPL:
NationalProblemLibrary/FortLewis/Authoring/Templates/Trig/PeriodicAnswers1.pg
PG problem file | Explanation |
---|---|
Problem tagging: |
|
DOCUMENT(); loadMacros( "PGstandard.pl", "MathObjects.pl", "AnswerFormatHelp.pl", ); TEXT(beginproblem()); |
Initialization: |
Context("Numeric"); $answer = Real("pi/2")->with(period=>pi); |
Setup: This is self-explanatory. |
Context()->texStrings; BEGIN_TEXT Enter a solution to \( \cos(\theta) = 0 \). $BR $BR \( \theta = \) \{ ans_rule(10) \} \{ AnswerFormatHelp("angles") \} END_TEXT Context()->normalStrings; |
Main Text: |
$showPartialCorrectAnswers = 1; ANS( $answer->cmp() ); |
Answer Evaluation: |
Context()->texStrings; BEGIN_SOLUTION The cosine of an angle is zero when the angle is an integer multiple of \( \pi \). END_SOLUTION Context()->normalStrings; ENDDOCUMENT(); |
Solution: |