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@katemath @SammyBlackPDX @siwelwerd Yeah, I guess we could add an extra activity that establishes that cycling all columns/rows is a composition of n-1 swaps for an nxn matrix. So then the move costs (-1)^(n-1).Permalink On twitter.com
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@katemath @SammyBlackPDX @siwelwerd But I don't think the cost/reward ratio for that extra time is quite right when, at least for me, finding a determinant by hand should be done on exactly one quiz and then technology should be used forevermore.On twitter.com