Mandasary, Anggy SZulkarnain2016-04-272016-04-272016-04-27wahyu sari yenihttp://repository.unri.ac.id/xmlui/handle/123456789/8279Gershgorin disk method is an analytic technique available for determining the location of eigenvalues. In this article, we discuss the method of Gershgorin disk fragment by narrowing the location of eigenvalues obtained using the method of Gershgorin disk. By knowing the narrowed location of eigenvalues, better initial guesses to determine the numerical estimates can be obtained.enGershgorin disk methodGershgorin disk fragmenteigenvaluesmatrixstudent Paper Post Degree