rational fraction

rational fraction

[′rash·ən·əl ′frak·shən]
(mathematics)
A fraction whose numerator and denominator are both rational numbers.
A fraction whose numerator and denominator are both polynomials.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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References in periodicals archive ?
Formenti, Parameter Estimation From Frequency Response Measurements Using Rational Fraction Polynomials, Proc.
Wavelet-like analysis in the frequency-damping domain for modal parameters identification
The common principle of all approaches consists in substitution of exponential terms in the transfer function with rational fraction in Laplace complex variable s.
Comparison of transfer function rational approximations for LTI-TDS
But any rational fraction can be expressed in simplest form, without both numbers being even (or having common factors).
The wording of a proof: Hardy's second "elegant" proof--the Pythagorean school's irrationality of [square root of 2]
Note that by Result 1 our formula for GCRD does not require rational fractions to be in reduced form.
Extending greatest common divisors across the rationals
The algebraic approach adopted from (Vidyasagar, 1985; Kucera, 1993) requires description of the systems in [R.sub.PS] as a ratio of two rational fractions:
Algebraic approach to design and tuning of PI controllers for higher order systems

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