product


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product

1. a substance formed in a chemical reaction
2. Maths the result of the multiplication of two or more numbers, quantities, etc.

product

[′präd·əkt]
(chemistry)
A substance formed as a result of a chemical reaction.
(chemical engineering)
(industrial engineering)
An item or goods made by an industrial firm.
The total of such items or goods.
(mathematics)
For two integers, m and n, the number of objects in the set formed by combining m sets, each of which has n objects.
For two rational numbers, a/b and c / d, where a, b, c, and d are integers, the number (ac)/(bd).
For any two real numbers, which are the limits of sequences of rational numbers pn and qn respectively, the limit of the sequence pn qn .
The product of two algebraic quantities is the result of their multiplication relative to an operation analogous to multiplication of real numbers.
The product of a collection of sets A1, A2, …, An is the set of all elements of the form (a1, a2, …, an ) where each ai is an element of Ai for each i = 1, 2, …, n.
For two transformations, the transformation that results from their successive application.
For two fuzzy sets A and B, with membership functions mA and mB , the fuzzy set whose membership function mA·B satisfies the equation mA·B (x) = mA (x) · mB (x) for every element x.
The product AB of two matrices A and B, where the number n of columns in A equals the number of rows in B, is the matrix whose element cij in row i and column j is the sum over k = 1, 2, …, n of the product of the elements aik in A and bkj in B.

product

(mathematics, programming)
An expression in mathematics or computer programming consisting of two other expressions multiplied together. In mathematics, multiplication is usually represented by juxtaposition, e.g. "x y", whereas in programming, "*" is used as an infix operator, e.g. "salary * tax_rate.

In the most common type of product, each operand is a number (integer, real number, fraction or imaginary number) but the term extends naturally to cover more complex operations like multiplying a string by an integer (e.g., in Perl, "foo" x 2) or multiplying vectors and matrices or more than two operands.

In type systems, a tuple is sometimes known as a "product type".
References in periodicals archive ?
But that is Syngenta's new cotton product AVICTA Complete Pak's position in the marketplace and that is why the judges named it AgriMarketing's Product of the Year.
Riverside Products realizes that the shredding industry is constantly evolving, so if refuses to settle for the status quo.
Typical product is L-45 used at viscosities of 10,000 to 60,000 cst.
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However, he suggests, "If you drive the concepts and principles of lean up the chain of product development, you're coming to manufacturing planning, and from there to the product design.
* How do we measure behaviors and predict causation for experience design with a product?
From Photojournalism (film and digital cameras) to high quality (HD) Video recording, from Scanning to Printing, from IP addressable Security Camera Network systems to Laser image Copying, Canon's products all have the ability to interconnect (most products are Mac and PC certified) making it one of the most versatile product lines available.
The 2006 Education Buyers Guide to Audio- Visual Systems & Solutions has been developed as a service to the purchasers of AV products and systems for education institutions.
Distribution partners and subsequent focus groups all told ING they wanted this type of simple product, said Ann Hughes, senior vice president in business development.
"Importantly, growth was driven by success with our niche market and value-added product strategies, as evidenced by a 10% increase in shipments of premium towel and tissue products." In 2005, Wausau Paper shipped 162,286 tons of towel and tissue compared with 151,903 tons in 2004.
Lorie Campbell-Farley, EVP Sales and Marketing for avVaa said, "While full commercialization of other lines at avVaa is on-going, we are committed to researching and developing our secondary lines of equine and pet products to meet the needs of one of the fastest growing segments of the retail market, now a $31 billion industry."
The literature available on the safety and risk of exposure to crumb rubber constituents was limited and revealed no information quantifying exposures associated with product use.