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Re: letting find search for zeros


From: Douglas Eck
Subject: Re: letting find search for zeros
Date: Mon, 05 Nov 2001 13:46:46 +0100
User-agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.4) Gecko/20010913

Ah one that I can answer:


octave:6> val
val =

        1        3        0        1        0

octave:7> find(val==0)
ans =

        3        5


Cheers,
Doug

Hendrik Naumann wrote:

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Hi

Does anybody know a function that returns the indices of the zero elements of an vector?

The solution I found is

octave-2.1.34:13> val = [1,3,0,1,0];
octave-2.1.34:14> find(isnan( val / 0))
...
ans =
3 5

That gives an ugly warning, so I am looking for an better solution.

Hendrik Naumann
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--
Dr. Douglas Eck, http://www.idsia.ch/~doug
Istituto Dalle Molle di Studi sull'Intelligenza Artificiale (IDSIA)
Neural Networks, Rhythm Perception and Production, Dynamical Systems



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