The Conjugate Gradient Method as Applied to Electromagnetic Field Problems

Tapan Kumar Sarkar

Research output: Contribution to journalArticle

22 Scopus citations


The conjugate gradient method is developed for the solution of an arbitary operator equation. The fundamental differences between the conjugate gradient method and the conventional matrix methods, denoted by the generic name "method of moments" are also outlined. One of the major advantages of the conjugate gradient method is that a clearcut exposition on the nature of convergence can be defined. Numerical results are presented to illustrate the efficiency of this method and the FFT for certain special classes of problems.

Original languageEnglish (US)
Pages (from-to)4-14
Number of pages11
JournalIEEE Antennas and Propagation Society Newsletter
Issue number4
StatePublished - 1986

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

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