Abstract
The paper describes an evaluation of a data base management system, MIDAS, for the solution of linear equations. A brief description of the system is given. It is used and evaluated employing skyline and hypermatrix approaches for solving large matrix equations. Performance of the two subsystems of MIDAS—MIDAS/N and MIDAS/R—is measured and compared in terms of several system parameters. Programming for efficient use of the available memory is noted. Suggestions for application programming using MIDAS are given. Major conclusions of the study are that memory management schemes, data structures, and data access methods of the DBMS play very important roles for its efficient use in dynamic environment. Such methods must be developed and implemented for large-scale engineering applications.
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