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how to remove a row containing NaN
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vijay mulchandani  
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 More options Nov 19 2012, 9:55 am
Newsgroups: comp.soft-sys.matlab
From: "vijay mulchandani" <va...@tu-clausthal.de>
Date: Mon, 19 Nov 2012 14:55:20 +0000 (UTC)
Local: Mon, Nov 19 2012 9:55 am
Subject: how to remove a row containing NaN
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i have a velocity matrix of 98x124 and i want to remove the complete row where the velocity value is NaN, so that afterwards i can take the mean of the matrix. How can i delete it?

 
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Wayne King  
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 More options Nov 19 2012, 10:43 am
Newsgroups: comp.soft-sys.matlab
From: "Wayne King" <wmkin...@gmail.com>
Date: Mon, 19 Nov 2012 15:43:14 +0000 (UTC)
Local: Mon, Nov 19 2012 10:43 am
Subject: Re: how to remove a row containing NaN
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"vijay mulchandani" <va...@tu-clausthal.de> wrote in message <k8dh8o$rk...@newscl01ah.mathworks.com>...
> i have a velocity matrix of 98x124 and i want to remove the complete row where the velocity value is NaN, so that afterwards i can take the mean of the matrix. How can i delete it?

 X = randn(98,124);
 X(4,2) = NaN;
 [I,J] = find(isnan(X));
 X(I,:) = [];

 
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dpb  
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 More options Nov 19 2012, 11:39 am
Newsgroups: comp.soft-sys.matlab
From: dpb <n...@non.net>
Date: Mon, 19 Nov 2012 10:38:11 -0600
Local: Mon, Nov 19 2012 11:38 am
Subject: Re: how to remove a row containing NaN
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On 11/19/2012 9:43 AM, Wayne King wrote:

> "vijay mulchandani" <va...@tu-clausthal.de> wrote in message
> <k8dh8o$rk...@newscl01ah.mathworks.com>...
>> i have a velocity matrix of 98x124 and i want to remove the complete
>> row where the velocity value is NaN, so that afterwards i can take the
>> mean of the matrix. How can i delete it?

> X = randn(98,124);
> X(4,2) = NaN;
> [I,J] = find(isnan(X));
> X(I,:) = [];

Alternatively,

X(any(isnan(X),2),:)=[];

--


 
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vijay mulchandani  
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 More options Nov 19 2012, 3:48 pm
Newsgroups: comp.soft-sys.matlab
From: "vijay mulchandani" <va...@tu-clausthal.de>
Date: Mon, 19 Nov 2012 20:48:18 +0000 (UTC)
Local: Mon, Nov 19 2012 3:48 pm
Subject: Re: how to remove a row containing NaN
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"Wayne King" wrote in message <k8dk2i$9e...@newscl01ah.mathworks.com>...
> "vijay mulchandani" <va...@tu-clausthal.de> wrote in message <k8dh8o$rk...@newscl01ah.mathworks.com>...
> > i have a velocity matrix of 98x124 and i want to remove the complete row where the velocity value is NaN, so that afterwards i can take the mean of the matrix. How can i delete it?

>  X = randn(98,124);
>  X(4,2) = NaN;
>  [I,J] = find(isnan(X));
>  X(I,:) = [];

thanks a lot

 
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vijay mulchandani  
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 More options Nov 19 2012, 3:49 pm
Newsgroups: comp.soft-sys.matlab
From: "vijay mulchandani" <va...@tu-clausthal.de>
Date: Mon, 19 Nov 2012 20:49:24 +0000 (UTC)
Local: Mon, Nov 19 2012 3:49 pm
Subject: Re: how to remove a row containing NaN
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thanks a lot

 
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