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In mathematics, an operator is a function, usually of a special kind depending on the topic. For instance, in linear algebra an "operator" is a linear operator. In analysis an "operator" may be a differential operator, generalizing the ordinary derivative, or an integral operator, generalizing ordinary integration. Often, an "operator" is a function that acts on functions to produce other functions; or it may be a generalization of such a function, as in linear algebra, where some of the terminology reflects the origin of the subject in operations on the functions that are solutions of differential equations. One often thinks of an operator as dynamic, changing something into something else, whence the name; but this is only a way of thinking and not a formal definition.
An operator name or operator symbol is a notation that denotes a particular operator. When there is no danger of confusion, an operator name or operator symbol may be referred to more briefly as an "operator". Strictly speaking, however, the operator is a mathematical object and not the syntactic entity that denotes it. The reason for identifying it with its notation is that there are some operators that have come to have standard notations.
An example of an operator, specifically a differential operator, is the derivative itself. The corresponding operator name D, when placed before a differentiable function f, indicates that the function is to be differentiated with respect to the variable.
More on [ Operator ]
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travelntours1 (travel tour) Wed, 30 Dec 2009 06:11:36 -0000
travel tours: [E] Win... http://www.travel-and-tours.info/travel-tour-operators/e-wines-from-portugal-1-with-charles-metcalfe
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gorojaaworld (rojaa baaji) Wed, 30 Dec 2009 04:21:32 -0000
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badkarmacore (Bad Karma) Wed, 30 Dec 2009 00:49:08 -0000
Party While You Pedal: Beer Biking in Amsterdam (Time.com): Time.com - Tour operators in the Dutch capital have... http://bit.ly/8Q2AsQ
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badkarmacore (Bad Karma) Wed, 30 Dec 2009 00:27:15 -0000
Party While You Pedal: Beer Biking in Amsterdam (Time.com): Time.com - Tour operators in the Dutch capital have http://bit.ly/6iaP1d
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2020Traveller (2020Traveller) Tue, 29 Dec 2009 14:32:27 -0000
Kenya voted 'Best Destination' for Eco-tourism in the world: ... travel agents, tour operators, airliners, tourism ... http://bit.ly/4PEfwm
Party While You Pedal: Beer Biking in Amsterdam: Tour operators in the Dutch capital have built a profitable --.. http://bit.ly/7PZ02z
hazimiai (Hazim Anzawi Øاز٠) Tue, 29 Dec 2009 13:25:38 -0000
Party While You Pedal: Beer Biking in Amsterdam: Tour operators in the Dutch capital have built a profitable --.. http://bit.ly/7PZ02z
Caravan Tours - Offering escorted tours in Latin America, Canada and the United States. Includes services provided, brochure order form, travel planner, frequently asked questions and contact information.
Meta Description: [ Caravan Tours offers fully escorted tours plus all-inclusive Latin America vacations with tour operators, meals, water, 1st class resorts and airport transfers, all for one great low price. ]
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