cmoment

cmoment — central moments of all orders

Calling sequence

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

Parameters

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

Description

cmoment(x,ord) is the 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 central moment of order ord of the j column of x. cmoment(x,ord,'c') is used in the same way for the central moments in the rows.

References

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

Examples



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

Author

Carlos Klimann