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Computing with Impure Numbers: Automatic Consistency Checking and Units Conversion Using Computer Algebra

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1 Author(s)
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.

Published in:

IEEE Transactions on Software Engineering  (Volume:SE-3 ,  Issue: 6 )