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Computing with Impure Numbers: Automatic Consistency Checking and Units Conversion Using Computer Algebra
November 1977 (vol. 3 no. 6)
pp. 478-480
D.R. Stoutemyer, Department of Electrical Engineering, University of Hawaii
This note shows how computer-algebra systems may be used to include symbolic physical units in computer calculations, with automatic detection of dimensionally-inhomogeneous formulas and automatic conversion of inconsistent units in a dimensionally-homogeneous formula. Inhomogeneity errors are a prevalent type that is undetected in traditional programming languages, and the user is relieved of the tedious, error-prone units-conversion process.
Index Terms:
units conversion, Dimensional homogeneity, MACSYMA, programming language design, symbolic algebraic manipulation, units consistency
Citation:
D.R. Stoutemyer, "Computing with Impure Numbers: Automatic Consistency Checking and Units Conversion Using Computer Algebra," IEEE Transactions on Software Engineering, vol. 3, no. 6, pp. 478-480, Nov. 1977, doi:10.1109/TSE.1977.231178
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