http://mathforum.org/kb List of forum topics en http://mathforum.org/kb/thread.jspa?messageID=7839047&tstart=0#7839047 >
> This above]]> Jun 19, 2012 4:40:07 AM Jun 19, 2012 4:40:07 AM mattjacREMOVE@THISieee.spam 0 http://mathforum.org/kb/thread.jspa?messageID=7838984&tstart=0#7838984 > It is a one liner!!
> adjunct_A=inv(A)*det(A)
>
> Reasoning:
>]]> Jun 18, 2012 10:28:56 PM Jun 18, 2012 10:28:56 PM nma@12000.org 1 http://mathforum.org/kb/thread.jspa?messageID=7838978&tstart=0#7838978 adjunct_A=inv(A)*det(A)

Reasoning:
inv(A)=adjunct(A)/det(A)

enjoy.
Joe


"David Scott"]]> Jun 18, 2012 9:40:07 PM Jun 18, 2012 9:40:07 PM Joe@joe.com 2 http://mathforum.org/kb/thread.jspa?messageID=5277206&tstart=0#5277206
function B=adj(A)

n=size(A,1); d=1:n-1;
B=zeros(n); c=2*mod(size(A,1),2)-1;

AA=[A,A;A,A]';

for]]> Oct 19, 2006 11:20:22 AM Oct 19, 2006 11:20:22 AM gregvwDEL@mathDEL.unmDEL.edu 0 http://mathforum.org/kb/thread.jspa?messageID=5273157&tstart=0#5273157 <gregvwDEL@mathDEL.unmDEL.edu> wrote:

Oct 18, 2006 5:21:28 PM Oct 18, 2006 5:21:28 PM ellieandrogerxyzzy@mindspring.com.invalid 1 http://mathforum.org/kb/thread.jspa?messageID=5269804&tstart=0#5269804 Oct 18, 2006 2:26:51 AM Oct 18, 2006 2:26:51 AM ellieandrogerxyzzy@mindspring.com.invalid 0 http://mathforum.org/kb/thread.jspa?messageID=5269654&tstart=0#5269654 <gregvwDEL@mathDEL.unmDEL.edu> wrote:

Oct 18, 2006 1:55:37 AM Oct 18, 2006 1:55:37 AM ellieandrogerxyzzy@mindspring.com.invalid 1 http://mathforum.org/kb/thread.jspa?messageID=5268222&tstart=0#5268222 exist even if inv(A) does not.

-Greg

>]]> Oct 17, 2006 6:18:07 PM Oct 17, 2006 6:18:07 PM gregvwDEL@mathDEL.unmDEL.edu 2 http://mathforum.org/kb/thread.jspa?messageID=5268219&tstart=0#5268219 > The word adjoint is ambiguous. The above is also known as the
> adjugate of matrix A. Formally, the adjoint is the]]> Oct 17, 2006 6:14:51 PM Oct 17, 2006 6:14:51 PM dedoleo@gmail.com 3 http://mathforum.org/kb/thread.jspa?messageID=5267893&tstart=0#5267893 <SNIP ... adjoint adjugate

> B = A.' ; % adjoint
should be B = A' of course]]> Oct 17, 2006 4:30:42 PM Oct 17, 2006 4:30:42 PM x@y.z 0