frank

Frank matrix

Syntax

f = frank(n)

Arguments

n: real scalar
f: n x n matrix

Description

f = frank(n) returns the Frank matrix.

The Frank matrix is a matrix defined by

$f(n) = \begin{bmatrix} n \ \ n-1 \ \ n-2 \ \ ... \ \ 2 \ \ 1 \\ n-1 \ \ n-1 \ \ n-2 \ \ ... \ \ 2 \ \ 1 \\ 0 \ \ n-2 \ \ n-2 \ \ ... \ \ 2 \ \ 1 \\ ... \ \ ... \ \ ... \ \ ... \ \ ... \ \ ... \\ 0 \ \ 0 \ \ ... \ \ 0 \ \ 1 \ \ 1 \end{bmatrix}$ .

Examples

f = frank(4)

History

Version	Description
2025.0.0	Introduction in Scilab.

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Last updated:
Thu Oct 24 11:13:08 CEST 2024