From GeoGebra Manual
(added v.4 - note formatting)
m (1 revision: tt => code)
Revision as of 15:23, 27 February 2011
- 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.