Difference between revisions of "Operators"
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| + | The '''operators''' in basic arithmetic consist of + (addition), - (subtraction), * (multipliation) and / (division). | ||
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| + | ==Formal definition== | ||
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. | 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. | ||
[[category:mathematics]] | [[category:mathematics]] | ||
Revision as of 12:33, September 14, 2009
The operators in basic arithmetic consist of + (addition), - (subtraction), * (multipliation) and / (division).
Formal definition
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.