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Scilab Help >> Основные функции > Элементарные матрицы > vander

vander

Vandermonde matrix

Syntax

v = vander(x)
v = vander(x, n)

Arguments

x

real or complex vector

n

integer value, the number of columns of y. By default, n is equal to size(x, "*")

v

number of rows of x x n matrix

Description

v = vander(x [,n]) returns the Vandermonde matrix. The columns of y are powers of the x vector.

The Vandermonde matrix is a matrix defined by , i.e

.

If n is specified, the Vandermonde matrix will have n columns. By default, the Vandermonde matrix is a square matrix.

Examples

Vandermonde matrix with vector

x = 1:5
v = vander(x)

Vandermonde matrix with n columns

x = 2:2:10
n = 3;
v = vander(x, n)

See also

History

VersionDescription
2025.0.0 Introduction in Scilab.

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