clear; x=[-3:0.013:7]'; f=(x-2)./(x-4); g=(x+2)./x; plot(x,[f g]); Therefore x> 4 ^ x<0 -- View this message in context: http://mailinglists.scilab.org/Inequation-tp4025515p4025534.html Sent from the Scilab users - Mailing Lists Archives mailing list archive at Nabble.com.