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| − | The '''operators''' in basic arithmetic consist of + (addition), - (subtraction), * (multipliation) and / (division).
| + | {{rename|Operator (Mathematics)}} |
| − | | + | In mathematics, an '''operator''' is something which associates one [[Function (Mathematics)|function]] with another. |
| − | ==Formal definition==
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| − | {{jargon}}
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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 operator|functional]] instead.
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| | [[category:mathematics]] | | [[category:mathematics]] |