Barton Willis - 2012-03-24

Maybe you want a function something like

(%i77) m : matrix([1,2,3],[4,5,6])$
(%i81) f(m,v) := args(map(lambda([s], rest(s,-1) . v > last(s)),m))$
(%i82) f(m,[x,y]);
(%o82) [2*y+x>3,5*y+4*x>6]