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  <dc:title>Preconditioned Conjugate Gradient Algorithm for solving Ax=b</dc:title>
  <dc:title>R package pcg version 1.1</dc:title>
  <dc:description>The package solves linear system of equations Ax=b by using Preconditioned Conjugate Gradient Algorithm where A is real symmetric positive definite matrix. A suitable preconditioner matrix may be provided by user. This can also be used to minimize quadratic function (x'Ax)/2-bx for unknown x.</dc:description>
  <dc:type>Software</dc:type>
  <dc:creator>B N Mandal &lt;mandal.stat@gmail.com&gt;</dc:creator>
  <dc:publisher>Comprehensive R Archive Network (CRAN)</dc:publisher>
  <dc:contributor>B N Mandal &lt;mandal.stat@gmail.com&gt; and Jun Ma &lt;jun.ma@mq.edu.au&gt;</dc:contributor>
  <dc:rights>GPL (&gt;= 2)</dc:rights>
  <dc:date>2014-04-03</dc:date>
  <dc:format>application/tgz</dc:format>
  <dc:identifier>https://CRAN.R-project.org/package=pcg</dc:identifier>
  <dc:identifier>doi:10.32614/CRAN.package.pcg</dc:identifier>
</oai_dc:dc>