TY - JOUR T1 - Properties of Central Symmetric X-Form Matrices TT - JF - IJMSI JO - IJMSI VL - 6 IS - 2 UR - http://ijmsi.ir/article-1-233-en.html Y1 - 2011 SP - 9 EP - 20 KW - Inverse eigenvalue problem KW - Inverse singular value problem KW - eigenvalue KW - singular value. N2 - In this paper we introduce a special form of symmetric matrices that is called central symmetric $X$-form matrix and study some properties, the inverse eigenvalue problem and inverse singular value problem for these matrices. M3 10.7508/ijmsi.2011.02.002 ER -