Mean and variance for the gamma distribution.

Syntax

[M,V] = gamstat(A,B)

Description

• The mean is ab.
• The variance is ab².

Examples

[m,v] = gamstat(1:5,1:5)

m =

     1     4     9    16    25

v =

     1     8    27    64   125

[m,v] = gamstat(1:5,1./(1:5))

m =

     1     1     1     1     1

v =

    1.0000    0.5000    0.3333    0.2500    0.2000