Difference between revisions of "ApCoCoA-1:Num.SingularValues"

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Revision as of 10:30, 7 October 2020

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
-------------------------------
[<quotes>33.091</quotes>, <quotes>17.047</quotes>, <quotes>3.365</quotes>]
-------------------------------

See also

Introduction to CoCoAServer

Num.QR

Num.SVD

Num.EigenValues

Num.EigenValuesAndVectors

Num.EigenValuesAndAllVectors