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From: sr on 30 Jun 2010 04:17
HI friends,

I have a big column matrix with 771 elements. I want to interpolate between every two rows so that my new matrix have 1541 elements in a single column.

for example, my old matrix is
A=[200
198
196
194.............771 elements]

and my new matrix should be
B=[200
199
198
197
196
195
194.........1541 elements]
Can you please tell me how to do that?

Thanking you in anticipation
cheers
From: us on 30 Jun 2010 06:54
"sr " <ysrhcu(a)yahoo.com> wrote in message <i0euia$53i$1(a)fred.mathworks.com>...
> HI friends,
>
> I have a big column matrix with 771 elements. I want to interpolate between every two rows so that my new matrix have 1541 elements in a single column.
>
> for example, my old matrix is
> A=[200
> 198
> 196
> 194.............771 elements]
>
> and my new matrix should be
> B=[200
> 199
> 198
> 197
> 196
> 195
> 194.........1541 elements]
> Can you please tell me how to do that?
>
> Thanking you in anticipation
> cheers

a hint:

help interp1; % <- and siblings...

us
From: Matt J on 30 Jun 2010 09:40

interp1 will do it, but see this recent thread for faster alternatives

http://www.mathworks.com/matlabcentral/newsreader/view_thread/284964#757552
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