st: Re: Fun with matrices...

["Michael Blasnik" <michael.blasnik@verizon.net>]

I think you should just read the help or manual (help matrix extract will 
get you there).  You need to specify two arguments to extract part of a 
matrix, the rows and the columns.

mat N=M[2...,.]

where ... means and all the rest and . means all.

Michael Blasnik
michael.blasnik@verizon.net


----- Original Message ----- 
From: <adiallo5@worldbank.org>
To: <statalist@hsphsun2.harvard.edu>
Sent: Monday, December 06, 2004 9:38 AM
Subject: st: Fun with matrices...



> Hi,
> Could someone tell me how to extract a sub-matrice from another one?
>
> I have  (omitting brakets):
>
>          0 0 0 0 0
> M =   1 2 3 4 5
>          6 7 8 9 10
>
> I want to suppress the first line (zeros).
>
> I look into the programming book but it is not working.
>
> mat N = M[2...]
>
> And keep getting :
>
> M not found.
>
> I've also tried
> mat N = M[2,*]
>
> Thanks for helping.
> Amadou.
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