|Subject:||RE: Some Octave newbie questions regarding number format and matrices|
|Date:||Sat, 19 Sep 2009 18:43:04 +0000|
> Date: Sat, 19 Sep 2009 08:24:53 -0700
> From: address@hidden
> To: address@hidden
> Subject: Some Octave newbie questions regarding number format and matrices
> I started using Octave very recently and am still unsure about a few things:
> 1. is there any way to force octave to express numbers in fraction form, to
> avoid loss of precision?
I am not sure but I don't think there is.
> 2. when I want to computer the inverse of a matrix, I have to do inv(A'),
> computing the inverse of the transpose, in order to get the correct answer.
> Why is that?
When I do what you say I don't have to do the transpose.: so : What version Of octave do you have and what operating system are you running it on?
octave-3.0.1:1> a= [1 2; 7 3]
> thank you
> View this message in context: http://www.nabble.com/Some-Octave-newbie-questions-regarding-number-format-and-matrices-tp25522543p25522543.html
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