Difference between revisions of "SigmaXX Command"
From GeoGebra Manual
m (spacing) |
|||
| Line 1: | Line 1: | ||
<noinclude>{{Manual Page|version=4.0}}[[Category:Manual (official)|{{PAGENAME}}]]</noinclude> | <noinclude>{{Manual Page|version=4.0}}[[Category:Manual (official)|{{PAGENAME}}]]</noinclude> | ||
{{command|statistics}} | {{command|statistics}} | ||
| − | ; SigmaXX[List of Numbers]: Calculates the sum of squares of the given numbers. | + | ; SigmaXX[ <List of Numbers> ]: Calculates the sum of squares of the given numbers. |
:{{Example|1=In order to work out the variance of a list you may use <code>SigmaXX[list] / Length[list] - Mean[list]^2</code>.}} | :{{Example|1=In order to work out the variance of a list you may use <code>SigmaXX[list] / Length[list] - Mean[list]^2</code>.}} | ||
| − | ; SigmaXX[List of Points]: Calculates the sum of squares of the ''x''-coordinates of the given points. | + | ; SigmaXX[ <List of Points> ]: Calculates the sum of squares of the ''x''-coordinates of the given points. |
| + | |||
| + | {{betamanual|version=4.2| | ||
| + | 1=; SigmaXX[ <List of Numbers>, <List of Frequencies> ] | ||
| + | : This allows the location of the Text to be specified. | ||
| + | }} | ||
Revision as of 12:15, 8 October 2012
- SigmaXX[ <List of Numbers> ]
- Calculates the sum of squares of the given numbers.
- Example: In order to work out the variance of a list you may use
SigmaXX[list] / Length[list] - Mean[list]^2.
- SigmaXX[ <List of Points> ]
- Calculates the sum of squares of the x-coordinates of the given points.
 |
Following text is about a feature that is supported only in GeoGebra 4.2.
|
