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rational
(redirected from Rationals)

   Also found in: Dictionary/thesaurus, Medical, Legal, Financial, Wikipedia 0.01 sec.
rational Maths
1. expressible as a ratio of two integers or polynomials
2. a rational number

rational - [Mathematics] a fractional number n/d, where n and d are integers, n is the numerator and d is the denominator. The set of all rational numbers is usually called Q. Computers do not usually deal with rational numbers but instead convert them to real numbers which are represented (approximately in some cases) as floating-point numbers. Compare irrational.


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The rationals is this: Pass/fail thresholds are much easier and clearer to meet, defend, and communicate.
4 as P(t) := {(c, d), c, d [greater than or equal to] 1, ct [less than or equal to] 1, dt [less than or equal to] 1, (c + d)t > 1, (c, d) = 1}, and, for a pair (a/c, b/d) of rationals satisfying ad - bc = -1, denote by S(a/c, b/d) the intersection of B \ F with the vertical strip {(a/c) [less than or equal to] x [less than or equal to] (b/d)}.
Aleph-one counts all the real numbers--the rationals plus the irrationals such as pi and the square root of z.
 
 
 
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