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ERRORS in rendering problem

Re: ERRORS in rendering problem

by Nathan Wallach -
Number of replies: 0
I realize this is long after the original discussion, but I found that the rank.pl in the OPL is not that reliable for matrices whose entries need not be fractions.

An alternate rank function for MathObject matrices is available in the following GitHub issue, as well as revised basis grading code which uses it:

I've been using the new code in production courses, but more help in testing it would be nice, so it can be debugged/stabilized for addition to the main WeBWorK pg repository for a future release.