Preconditioning the modified conjugate gradient method D.E.A Omorogbe, A.A Osagiede Global Journal of Mathematical Sciences · Volume 8, Issue 2 (2010) DOI: 10.4314/gjmas.v8i2.53752 Abstract No abstract Article information Published16 April 2010 Languageen PublisherAfrican Journals Online (AJOL) LicenseNo license URL DOI10.4314/gjmas.v8i2.53752 Journal ISSN1596-6208