<?xml version="1.0" encoding="UTF-8"?>
<article article-type="Research Article">
  <front>
    <journal-meta>
      <journal-id journal-id-type="publisher">journal-of-information-and-optimization-sciences</journal-id>
      <journal-title-group>
        <journal-title>Journal of Information and Optimization Sciences</journal-title>
      </journal-title-group>
      <issn publication-format="electronic">2169-0103</issn>
      <issn publication-format="print">0252-2667</issn>
      <publisher>
        <publisher-name>Taru Publications</publisher-name>
      </publisher>
    </journal-meta>
    <article-meta>
      <article-id pub-id-type="doi">10.47974/JIOS-1227</article-id>
      <title-group>
        <article-title>On eigenvalue, singular value and norm of symmetric matrices</article-title>
      </title-group>
      <contrib-group>
        <contrib contrib-type="author" corresp="yes">
          <name>
            <surname>İpek</surname>
            <given-names>Ahmet</given-names>
          </name>
          <aff>Department of Mathematics, Kamil Özdağ Science Faculty, Karamanoğlu Mehmetbey University, Karaman, 70100, Turkey</aff>
        </contrib>
      </contrib-group>
      <volume>44</volume>
      <issue>4</issue>
      <fpage>689</fpage>
      <lpage>696</lpage>
      <pub-date date-type="pub">
        <day>28</day>
        <month>08</month>
        <year>2023</year>
      </pub-date>
      <abstract>
        <p>Symmetric matrices play an important role in data science. In this paper, we present some new results on the eigenvalues, singular values, the spectral and Euclidean norms of real symmetric matrices in form  A = [xi + xj]ni, j = 1.</p>
      </abstract>
      <kwd-group>
        <kwd>Symmetric matrix</kwd>
        <kwd>Eigenvalue</kwd>
        <kwd>Singular value</kwd>
        <kwd>Norm</kwd>
      </kwd-group>
      <custom-meta-group>
        <custom-meta>
          <meta-name>access</meta-name>
          <meta-value>open</meta-value>
        </custom-meta>
        <custom-meta>
          <meta-name>retracted</meta-name>
          <meta-value>no</meta-value>
        </custom-meta>
      </custom-meta-group>
    </article-meta>
  </front>
</article>
