Efficient preconditioning strategies for accelerating GMRES in block-structured nonlinear systems for image deblurring

• Rizwan Khalid,

  Roles Investigation, Methodology, Project administration, Resources, Writing – original draft

  Affiliation Abdus Salam School of Mathematical Sciences, Government College University, Lahore, Pakistan

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• Shahbaz Ahmad ,

  Roles Conceptualization, Data curation, Formal analysis, Funding acquisition, Software, Supervision

  * E-mail: shahbazahmad@sms.edu.pk (SA); yahia.said@nbu.edu.sa (YS)

  Affiliation Abdus Salam School of Mathematical Sciences, Government College University, Lahore, Pakistan

  https://orcid.org/0000-0002-9901-0924

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• Mohamed Medani,

  Roles Data curation, Formal analysis, Resources, Software, Validation, Writing – review & editing

  Affiliation Applied College of Muhayil Aseer, King Khalid University, Muhayil Aseer, Saudi Arabia

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• Yahia Said ,

  Roles Data curation, Resources, Software, Validation, Visualization, Writing – review & editing

  * E-mail: shahbazahmad@sms.edu.pk (SA); yahia.said@nbu.edu.sa (YS)

  Affiliation Center for Scientific Research and Entrepreneurship, Northern Border University, 73213, Arar, Saudi Arabia

  https://orcid.org/0000-0003-0613-4037

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• Iftikhar Ali

  Roles Data curation, Investigation, Methodology, Project administration, Resources, Software, Validation, Writing – review & editing

  Affiliation Department of Mathematics, University of Hafr Al Batin, Hafr Al Batin, Saudi Arabia

  https://orcid.org/0000-0002-0371-2973

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