Hi, Are you actually looking for the fraction to be reduced? Because we can check that very generally.
- Gerd. -- Gerd Kortemeyer http://www.msu.edu/user/kortemey/ On Dec 4, 2015, at 1:16 PM, Jacob Bond <bon...@purdue.edu> wrote: >> If this is really a static answer format, then it should indeed be a >> stringresponse. Note that stringresponses also take >regular expressions, so >> you can do >> >> /(2\.5)|(5\/2)/ >> >> to do “or” - you don’t need a preprocessor. LON-CAPA also has an explicit >> “or”, I think there’s a template for it. It >may be “or” for numerical, but >> you can replace numerical by string. >> >> In general, for things that are numerical (and not “static” like the above), >> the main decision criterion for >preprocessor versus customresponse is >> whether you need the luxuries of numericalresponse: >> >> * significant digits >> * tolerances >> * automated bubblesheet production >> * easy printout of correct solution after answer date >> >> If you can benefit from those luxuries, use numericalresponse and >> preprocessor. If not, or if those things are in the >way, use customresponse. >> >> Sorry, I need to run for a meeting. Hope this helps, >> >> - Gerd. > > It is not a static answer. I was not aware of the regular expression option, > this is promising and I think I could do either substitution ($frac =~ > s/\//\\\//;) or split (@fracarray = split('/', $frac);) and concatenate > strings into the desired regular expression. > > Also, I have attempted using an <answergroup> under a <stringresponse> and it > just doesn't recognize it. > > Thank you! > Jacob > > _______________________________________________ > LON-CAPA-users mailing list > LON-CAPA-users@mail.lon-capa.org > http://mail.lon-capa.org/mailman/listinfo/lon-capa-users
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