close Warning: Can't synchronize with repository "(default)" (/var/svn/tolp does not appear to be a Subversion repository.). Look in the Trac log for more information.

Opened 21 years ago

Closed 21 years ago

#82 closed defect (invalid)

bug in SVD with negative eigenvalue matrices

Reported by: amauri Owned by: danirus
Priority: normal Milestone:
Component: Math Version: 1.1.1
Severity: major Keywords:
Cc:

Description

The following code does not compute the matrix eigenvalues CORRECTLY.
In the diagonal matrix ALWAYS appears the eigenvalue´s absolute values. See
example:

Set a = [[

-1, 0?,
0, -2?

]];

Matrix A = SetMat(a);

Set svd = SVD(A);

Change History (1)

comment:1 Changed 21 years ago by amauri

Resolution: → invalid
Status: new → closed

Really, this is not a bug.

Note: See TracTickets for help on using tickets.