bundle

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bundle

1. Biology a collection of strands of specialized tissue such as nerve fibres
2. Botany short for vascular bundle
3. Textiles a measure of yarn or cloth; 60 000 yards of linen yarn; 5 or 10 pounds of cotton hanks

Bundle

 

in mathematics, a two-parameter family of curves in the plane or in space that are linear functions of the parameters. Suppose F1, F2, and F3 are functions of two variables and none of the functions is a linear combination of the other two. The family of curves in the plane that are determined by the equation

(*) λ1F1 + λ2F2 + λ3F3 = 0

for all possible values of the parameters λ1, λ2, and λ3 (except for the case λ1 = 0, λ2 = 0, and λ3 = 0) constitutes a bundle. Equation (*) is in fact a function of two parameters—that is, of the two ratios λ1: λ2: λ3. In addition, it is immediately apparent that the parameters occur in this equation linearly. The equation of a bundle of surfaces in space is formed analogously. The three equations F1 = 0, F2 = 0, and F3 = 0 yield three elements of the bundle (three curves of three surfaces), which determine the entire bundle.

Bundles are usually considered whose elements are similar in certain respects; examples are a bundle of circles and a bundle of planes. We sometimes also speak of a bundle of lines in space; although the bundle is considered in space, its elements are curves rather than surfaces. Nevertheless, this case can be reduced to the case of a bundle of planes, since the pairwise intersections of elements of a bundle of planes determine a set of lines. In projective geometry, a bundle is understood to mean both sets—lines and planes—at once.

bundle

[′bən·dəl]
(mathematics)
A triple (E, p, B), where E and B are topological spaces and p is a continuous map of E onto B ; intuitively E is the collection of inverse images under p of points from B glued together by the topology of X.

bundle

(1) To sell hardware and software as a combined product or to combine several software packages for sale as a single unit. Contrast with unbundle. See bundled software and bundling.

(2) A collection of files that are treated as one. See APP file.
References in periodicals archive ?
To reduce costs, maximize efficiency, and implement a bundler in a tree-length harvesting operation, this project tested a prototype harvesting system.
Shendige added that Omega is developing similar actuators as replacements for other pneumatic cylinders on the machines and has received a number of requests for replacements to older bundlers already in use.
Compared to traditional "first in, first out" aggregation systems, which track each bottle coming into the bundler or case packer, Optel's TrackSafe[TM] system reduces errors to improve compliance and maximize productivity.
With the push to use biomass as an energy resource, interest in using the John Deere 1490D slash bundler to collect in-forest residues has increased.
Also, a bundler "would jam and smash pacages, or the shrin film would brea on the way to the hardener, and units would fall on the floor."
Cable & Wireless Communications, Britain's biggest bundler of telecoms and cable television services, said the decision was "good news for consumers, and for competition and choice in the telephony and pay-TV markets".
Direct to Retail, based in Framingham, Mass., offers a slew of innovative items, including the world's first hand-held tie wrap dispenser," the Handy Bundler. The product can wrap cable and TV wires for a neat appearance, tie garbage bags tight, safely secure luggage to a car, clear up piles of newspaper, seal automotive hoses, support tomato plants, train ivy, organize computer cables and secure boxes for shipping.
"Bundler Gene Powell of San Antonio appeared to pull out of hosting the San Antonio fundraiser over the weekend, according to multiple sources with knowledge of the event.
Lynton, an enormously wealthy man and a major Obama bundler, has been rumored for an ambassadorship.
* There is exactly one big Jewish Obama '08 bundler who isn't doing the same this year: Hollywood's very own David Geffen.
Film producer Harvey Weinstein, a bundler who's brought in more than 500,000 dollars in donation, was also seen at the event.
Under the law, anyone who is not a regulated bundler can collect donations of any amount up to the legal annual limit.