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Topic: Griding data
Replies: 4   Last Post: Apr 4, 2012 10:06 AM

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Shaik Ghouse Basha

Posts: 26
Registered: 6/15/09
Re: Griding data
Posted: Apr 3, 2012 11:51 PM
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I have X Y Z of length 13000 like this i have 16700 columns of data
for j=1
for k=1:length(Z)

P1=find(lat1>=Y(k)-eps1 & lat1<=Y(k)+eps1);
Q1=find(lon1>=X(k)-eps1 & lon1<=X(k)+eps1);
if length(P1)>1
if length(Q1)>1

Eda(P1,Q1)=nanmean([Eda(P1,Q1) Z(k)]);

"Nasser M. Abbasi" <> wrote in message <jlgfdf$ujr$>...
> On 4/3/2012 10:14 PM, Shaik Ghouse Basha wrote:
> > Dear Friends, I am facing problem in Griding data in matlab.
> >I have written the code but its taking sooo much time to process.
> >My data contains X(longitude) Y(latitude) Z(data points) with 0.5 degree
> >resolution. I have to make this data gridding with 1.5x1.5 degree
> > resolution. please help me how to save the time and also i have gone
> >through all the griding programs in

> It will help others help you more by making small example
> of the problem, post the complete code of the small example
> here.
> Hard to help you without seeing anything.
> --Nasser

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