How can I minimize 1/(x*x) in CVX? Uncategorized Nov 12, 2013 S StupidAnonim Nov 12, 2013 #1 I have variable x(n). I would like to minimize 1*(x .* x). minimize(sum(inv_pos(x))) works, minimize(sum( pow_p(x, 2))) works. But minimize(sum( inv_pos(pow_p(x,2))) fails. How can I optimize 1/(x*x) ? M Michael C. Grant Nov 12, 2013 #2 Doesn’t sum(pow_p(x,-2)) work?