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The Elimination form of the Inverse and its Application to Linear Programming


  • Harry M. Markowitz

    (The RAND Corporation)


It is common for matrices in industrial applications of linear programming to have a large proportion of zero coefficients. While every item (raw material, intermediate material, end item, equipment item) in, say, a petroleum refinery may be indirectly related to every other, any particular process uses few of these. Thus the matrix describing petroleum technology has a small percentage of non-zeros. If spacial or temporal distinctions are introduced into the model the percentage of non-zeros generally falls further. The present paper discusses a form of inverse which is especially convenient to obtain and use for matrices with a high percentage of zeros. The application of this form of inverse in linear programming is also discussed.

Suggested Citation

  • Harry M. Markowitz, 1957. "The Elimination form of the Inverse and its Application to Linear Programming," Management Science, INFORMS, vol. 3(3), pages 255-269, April.
  • Handle: RePEc:inm:ormnsc:v:3:y:1957:i:3:p:255-269

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    Cited by:

    1. Dobrzyński, Michał & Plata, Jagoda, 2010. "Fill-ins number reducing direct solver designed for FIT-type matrix," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 80(8), pages 1684-1693.
    2. Gass, Saul I., 1997. "The Washington operations research connection: the rest of the story," Socio-Economic Planning Sciences, Elsevier, vol. 31(4), pages 245-255, December.
    3. Van Ha, Pham & Kompas, Tom, 2016. "Solving intertemporal CGE models in parallel using a singly bordered block diagonal ordering technique," Economic Modelling, Elsevier, vol. 52(PA), pages 3-12.
    4. Porfirio Suñagua & Aurelio R. L. Oliveira, 2017. "A new approach for finding a basis for the splitting preconditioner for linear systems from interior point methods," Computational Optimization and Applications, Springer, vol. 67(1), pages 111-127, May.
    5. Keeping, B.R. & Pantelides, C.C., 1998. "A distributed memory parallel algorithm for the efficient computation of sensitivities of differential-algebraic systems," Mathematics and Computers in Simulation (MATCOM), Elsevier, vol. 44(6), pages 545-558.
    6. LOUTE, Etienne, 2003. "Gaussian elimination as a computational paradigm," CORE Discussion Papers 2003059, Université catholique de Louvain, Center for Operations Research and Econometrics (CORE).
    7. Miles Lubin & J. Hall & Cosmin Petra & Mihai Anitescu, 2013. "Parallel distributed-memory simplex for large-scale stochastic LP problems," Computational Optimization and Applications, Springer, vol. 55(3), pages 571-596, July.
    8. Milan Dražić & Rade Lazović & Vera Kovačević-Vujčić, 2015. "Sparsity preserving preconditioners for linear systems in interior-point methods," Computational Optimization and Applications, Springer, vol. 61(3), pages 557-570, July.
    9. repec:spr:cejnor:v:25:y:2017:i:4:d:10.1007_s10100-016-0452-9 is not listed on IDEAS

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