# [LON-CAPA-cvs] cvs: loncom /html/adm/help/tex Math_Response_Problems.tex

www www at source.lon-capa.org
Mon Aug 6 18:01:24 EDT 2012

www		Mon Aug  6 22:01:24 2012 EDT

Modified files:
/loncom/html/adm/help/tex	Math_Response_Problems.tex
Log:
Clearer description of limitations

Index: loncom/html/adm/help/tex/Math_Response_Problems.tex
diff -u loncom/html/adm/help/tex/Math_Response_Problems.tex:1.2 loncom/html/adm/help/tex/Math_Response_Problems.tex:1.3
--- loncom/html/adm/help/tex/Math_Response_Problems.tex:1.2	Tue May 22 00:55:09 2007
+++ loncom/html/adm/help/tex/Math_Response_Problems.tex	Mon Aug  6 22:01:24 2012
@@ -1,7 +1,7 @@
\label{Math_Response_Problems}
Math Response is a way to have a problem graded based on an algorithm that is executed inside of a computer algebra system.
-The use of this response type is
-generally discouraged, since the responses will not be analyzable by the LON-CAPA statistics tools.
+It is extremely powerful, as it tests answers for conditions rather than agreement with a particular correct answer. An unfortunate
+byproduct, however, is that it cannot be analyzed by several of the LON-CAPA statistics tools.

Which computer algebra system is to be used is specified in the cas argument of the mathresponse tag; currently, only Maxima is available.
LON-CAPA sets up two arrays inside the computer algebra system: RESPONSE and LONCAPALIST. RESPONSE contains the student input by component, for example, if "3,42,17" is entered, RESPONSE[2] would be 42. LONCAPALIST contains the arguments passed in the args of mathresponse.



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