vandermonde_matrix SciMax Toolbox var1

SciMax Toolbox >> var

var

Maxima Function

Calling Sequence

var (list)
var(matrix)

Description

This is the sample variance, defined as

n
====
2   1   \          _ 2
s  = -    >    (x - x)
n   /       i
====
i = 1
Example:

(%i1) load (descriptive)$
(%i2) load (numericalio)$
(%i3) s1 : read_list (file_search ("pidigits.data"))$
(%i4) var (s1), numer;
(%o4)                   8.425899999999999

See also function .

vandermonde_matrix SciMax Toolbox var1