help-octave
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: newbie: avoiding loops & flushing output.


From: Mirek Kwasniak
Subject: Re: newbie: avoiding loops & flushing output.
Date: Sun, 14 Jul 2002 13:05:02 +0200
User-agent: Mutt/1.3.28i

On Sun, Jul 14, 2002 at 01:20:03PM +0300, Yoel Callev wrote:
> 1) When I have a 'weight' scalar product of two vectors, i.e. 
> sum_i(x(i)*y(i)*w(i)), is it possible to avoid a loop by phrasing it in 
> a vector form, so that it'll run faster?

Use 

  sum(x.*y.*w)

or if you want a subset of vectors

  sum(x(i).*y(i).*w(i))

> 2) When I run long scripts, I get all the output at the end, and thus 
> have no progress indicator, is there a way to get  some intermidiate 
> output before the script is over without pausing the execution of the 
> script?

See help for page_screen_output and page_output_immediately.

Mirek



-------------------------------------------------------------
Octave is freely available under the terms of the GNU GPL.

Octave's home on the web:  http://www.octave.org
How to fund new projects:  http://www.octave.org/funding.html
Subscription information:  http://www.octave.org/archive.html
-------------------------------------------------------------



reply via email to

[Prev in Thread] Current Thread [Next in Thread]