Question: Help with the final procedure at the end of this worksheet

Can anyone discover the reason for the troubles i'm having with the last execution group ? I think the few ones above it are some previous attempts. it's the part that begins as >Cardioid := proc(S) local s; etc... > Warning, the name changecoords has been redefined > > > > > > > > > Error, unable to parse > > > > Error, invalid terms in product > Error, invalid terms in product > > Error, invalid terms in product > > Error, unable to match delimiters > Error, unable to execute seq > Error, unable to execute seq > Error, unable to execute seq > Error, unable to execute seq > This post generated using the online HTML conversion tool Download the original worksheet
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