Difference between revisions of "Operators"
Jump to navigation
Jump to search
(Guideline: give basic definition first, before "graduate level" formal definitions that are of no use to our target audience) |
(→Formal definition: This section uses jargon in such a way that it's hard for a typical reader to understand) |
||
| Line 2: | Line 2: | ||
==Formal definition== | ==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. | + | {{jargon}} |
| + | 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 12:35, September 14, 2009
The operators in basic arithmetic consist of + (addition), - (subtraction), * (multipliation) and / (division).
Formal definition
This article or section needs to be written in plain English, using plain English that most of our readers can understand. Articles that depend excessively on technical terms accessible only to specialists are useless for our purposes, so writers are admonished to avoid jargon
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.