Difference between revisions of "Real Function"
From GeoGebra Manual
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<noinclude>{{Manual Page|version=4.2}}</noinclude>{{betamanual|version=4.2}} | <noinclude>{{Manual Page|version=4.2}}</noinclude>{{betamanual|version=4.2}} | ||
| − | ; | + | {{function|real}} |
| + | ;real( <Complex Number> ) | ||
:Returns the real part of a given [[Complex Numbers|complex number]]. | :Returns the real part of a given [[Complex Numbers|complex number]]. | ||
| − | :{{example| 1=<div><code><nowiki> | + | :{{example| 1=<div><code><nowiki>real(17 + 3 ί)</nowiki></code> yields ''17'', the real part of the complex number ''17 + 3 ί''.</div>}} |
{{note| 1=<div> | {{note| 1=<div> | ||
* The complex ί is obtained by pressing {{KeyCode|ALT + i}}. | * The complex ί is obtained by pressing {{KeyCode|ALT + i}}. | ||
| − | * See also [[Imaginary | + | * See also [[Imaginary (function)]]. |
</div>}} | </div>}} | ||
Revision as of 13:53, 13 September 2012
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This page is about a feature that is supported only in GeoGebra 4.2. |
- real( <Complex Number> )
- Returns the real part of a given complex number.
- Example:
real(17 + 3 ί)yields 17, the real part of the complex number 17 + 3 ί.
Note:
- The complex ί is obtained by pressing ALT + i.
- See also Imaginary (function).
