vander {matlab}

MATLAB vander function

Description

Generate Vandermonde matrix from a vector of numbers.

Usage

vander(v)

Arguments

v

numeric or complex vector of values

Details

Generates the Vandermonde matrix whose columns are powers of the vector v (of length n) using the formula

    A[i, j] = v[i]^(n-j)

Used when fitting a polynomial to given points.

Value

Returns an n-by-n matrix constructed as described above.

Author(s)

H. Borchers [e-mail], P. Roebuck [e-mail]

Examples

vander(1:5)