1Department of Science, Quchan Branch, Islamic Azad University, Quchan, Iran
2Department of Mathematics, Science and Research Branch, Islamic Azad University, Tehran, Iran
3Department of Mathematics, Karaj Branch, Islamic Azad University, Karaj, Iran
In this paper we nd solution of linear interval equation in dual form based on the generalized procedure of interval extension which is called interval extended zero method. Moreover, proposed method has signicant advantage, is that it substantially decreases the excess width eect.