moment

moment — non central moments of all orders

Calling sequence

mom=moment(x,ord)  
mom=moment(x,ord,'r') or mom=moment(x,ord,1)  
mom=moment(x,ord,'c') or mom=moment(x,ord,2)  

Parameters

x : real or complex vector or matrix
ord : positive integer

Description

moment(x,ord) is the non central moment or order ord of the elements of x.

If a third argument of type string 'r' (or 1 ) or 'c' (or 2) is used, we get in the first case, a row vector mom such that mom(j) contains the non central moment of order ord of the j column of x. moment(x,ord,'c') is used in the same way for the non central moments in the rows.

Examples



x=[0.2113249 0.0002211 0.6653811;0.7560439 0.3303271 0.6283918]
mom=moment(x,3)
mom=moment(x,2,'r')
mom=moment(x,3,'c')
 
  

Author

Carlos Klimann

Biblio

Wonacott, T.H. & Wonacott, R.J.; Introductory Statistics, fifth edition, J.Wiley & Sons, 1990.