PGLabs: Difference between revisions

Revision as of 10:55, 17 June 2008

On-line labs for rendering of PG code. These two labs allow you to experiment with

For example:

Context("Numeric");
$f = Compute("x^2-3x+5");
$fp = $f->D; # calculate the derivative
TEXT($fp->cmp->evaluate("2x-3")->pretty_print );

On the last line TEXT prints the results of (reading from left to right)
- Constructing the AnswerEvaluator for the contents of the Formula $fp
- Evaluating the string "2x-3" using this AnswerEvaluator to produce an AnswerHash
- Recursively representing the contents of the AnswerHash in a nice table

Experiment with the new PG markup language syntax (PGML)] which simplifies the graphical layout

of the mathematics question.

@@ Line 2: / Line 2: @@
 labs allow you to experiment with
-*  [http://hosted2.webwork.rochester.edu/webwork2/cervone_course/setAIM-Talk/82/?login_practice_user=true  writing problem fragments]
+*  Write problem fragments in PG
-* the [http://hosted2.webwork.rochester.edu/webwork2/cervone_course/PGML?login_practice_user=true| PG markup language syntax (PGML)] which simplifies the graphical layout
-of the mathematics question.
+http://hosted2.webwork.rochester.edu/webwork2/cervone_course/setAIM-Talk/82/?login_practice_user=true
+For example:
+  Context("Numeric");
+ $f = Compute("x^2-3x+5");
+ $fp = $f->D; # calculate the derivative
+ TEXT($fp->cmp->evaluate("2x-3")->pretty_print );
+* On the last line <code>TEXT</code> prints the results of (reading from left to right)
+** Constructing the AnswerEvaluator for the contents of the Formula $fp
+** Evaluating the string "2x-3" using this AnswerEvaluator to produce an AnswerHash
+** Recursively representing the contents of the AnswerHash in a nice table
+* Experiment with the new PG markup language syntax (PGML)] which simplifies the graphical layout
+of the mathematics question.
+http://hosted2.webwork.rochester.edu/webwork2/cervone_course/PGML?login_practice_user=true
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