Difference between revisions of "Operator"

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An '''operator''' is a map from function space to function space.  If the range of an operator is on the [[real line]] or in the [[complex plane]], the operator is usually called a [[functional]] instead.
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An '''operator''' is a map from function space to function space.  If the range of an operator is on the [[real line]] or in the [[complex plane]], the operator is usually called a [[function|functional]] instead.
  
 
An operator is also a person who makes phone connections, though this practice is becoming less common as the process becomes more automated.
 
An operator is also a person who makes phone connections, though this practice is becoming less common as the process becomes more automated.
  
 
[[category:mathematics]]
 
[[category:mathematics]]

Revision as of 22:46, 15 November 2007

An operator is a map from function space to function space. If the range of an operator is on the real line or in the complex plane, the operator is usually called a functional instead.

An operator is also a person who makes phone connections, though this practice is becoming less common as the process becomes more automated.