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. | + | 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 03:46, November 16, 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.