ApCoCoA-1:Num.SingularValues

From ApCoCoAWiki
This article is about a function from ApCoCoA-1.

Num.SingularValues

Computes the singular values of a matrix.

Syntax

Num.SVD(A:MAT):[S:LIST]

Description

Please note: The function(s) explained on this page is/are using the ApCoCoAServer. You will have to start the ApCoCoAServer in order to use it/them.

This command computes the singular values of the given matrix A.

  • @param A The matrix we want to analyze.

  • @return A list containing the singular values of A.

Example

D:=[[1,2,7,18],[2,4,9,12],[23,8,9,10]];
Dec(Num.SingularValues(D),3);

-- CoCoAServer: computing Cpu Time = 0
-------------------------------
["33.091", "17.047", "3.365"]
-------------------------------

See also

Introduction to CoCoAServer

Num.QR

Num.SVD

Num.EigenValues

Num.EigenValuesAndVectors

Num.EigenValuesAndAllVectors