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From |
Erik Aadland <erikaadland@hotmail.com> |

To |
<statalist@hsphsun2.harvard.edu> |

Subject |
RE: st: How define an asymmetric matrix on .dta file as an asymmetric matrix in Stata? |

Date |
Wed, 27 Jul 2011 10:18:42 +0000 |

Thank you, Nick. Kind regards, Erik. ---------------------------------------- > Date: Wed, 27 Jul 2011 10:24:52 +0100 > Subject: Re: st: How define an asymmetric matrix on .dta file as an asymmetric matrix in Stata? > From: njcoxstata@gmail.com > To: statalist@hsphsun2.harvard.edu > > . help mkmat > > Nick > > On Wed, Jul 27, 2011 at 9:50 AM, Erik Aadland <erikaadland@hotmail.com> wrote: > > > I have fairly large asymmetric matrices (e.g. 200 by 200) from which I want to compute eigenvalues using the command: > > > > matrix eigenvalues r c = A > > > > Each of my asymmetric matrices are stored as separate .dta files and have the following general structure: > > > > A B C D > > A 0 0 1 0 > > B 2 0 0 1 > > C 3 1 0 2 > > D 1 0 2 0 > > > > How do I define each of these .dta files as the asymmetric matrix A so that Stata understands that the matrix in the .dta file is in fact an asymmetric matrix? As far as I can see, I need to do this in order to execute the command: matrix eigenvalues r c = A > > > > > > Is there a simple command/way to accomplish this? > > * > * For searches and help try: > * http://www.stata.com/help.cgi?search > * http://www.stata.com/support/statalist/faq > * http://www.ats.ucla.edu/stat/stata/ * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/

**References**:**st: How define an asymmetric matrix on .dta file as an asymmetric matrix in Stata?***From:*Erik Aadland <erikaadland@hotmail.com>

**Re: st: How define an asymmetric matrix on .dta file as an asymmetric matrix in Stata?***From:*Nick Cox <njcoxstata@gmail.com>

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