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.

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References in periodicals archive ?

"In fractional quantum Hall states - a type of collective electron state observed only in two dimensional samples at very high magnetic fields - the quasiparticles are known to have precisely a rational fraction of the electron charge, implying that they are anyons," Young said in the release.

Graphene-Based Device Could Prove Non-Abelian Anyons

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