Re: [Boost-users] [mailinglist] determinant of Matrices

From: Uwe Schmitt (schmitt_at_[hidden])
Date: 2005-08-09 10:09:13

> -----Ursprüngliche Nachricht-----
> Von: boost-users-bounces_at_[hidden] 
> [mailto:boost-users-bounces_at_[hidden]] Im Auftrag von Vivid Yang
> Gesendet: Dienstag, 9. August 2005 16:40
> An: boost-users_at_[hidden]
> Betreff: [mailinglist] [Boost-users] determinant of Matrices
> 
> Hi,
> 
> I browsed the document of ublas for a long time and did not find a 
> convenient way to compute the determinant of a matrix.
> Isn't it a basic function of matrix or did I miss something?

In general you can use LU-decomposition or QR, as
det(A) = det(LU) = det(L)*det(U)
or det(A) = det(QR) = det(R)
The determinant of L, U, R is the product of the elements
on the diagonal.

Greetings, Uwe.