Thread Subject: Strech a vector by interpolation

Hi,
If I have a vector "data" of size 1x73, is there a way to
obtain a vector "data2" of size 1x100 by interpolating the
data vector?

"Sachitha Obeysekara" <sachitha.2.obeysekara@gsk.com> wrote in message
news:fc8qmi$t4i$1@fred.mathworks.com...
> Hi,
> If I have a vector "data" of size 1x73, is there a way to
> obtain a vector "data2" of size 1x100 by interpolating the
> data vector?

HELP INTERP1.

--
Steve Lord
slord@mathworks.com

>
> HELP INTERP1.
>
> --
> Steve Lord
> slord@mathworks.com
>
>

i've seen this function already, and i couldn't think of a
fast way to strech the orignal vector using this...

thanks,
sach

"Sachitha Obeysekara" <sachitha.2.obeysekara@gsk.com> schrieb im Newsbeitrag
news:fc8rf4$eem$1@fred.mathworks.com...
>
>>
>> HELP INTERP1.
>>
>> --
>> Steve Lord
>> slord@mathworks.com
>>
>>
>
> i've seen this function already, and i couldn't think of a
> fast way to strech the orignal vector using this...
>
> thanks,
> sach

Hi,

data2 = interp1(1:73, data, linspace(1,73,100));

If you have some time-vector t corresponding to your data:
data2 = interp1(t, data, linspace(t(1),t(end),100));

Titus