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please anyone help interpolation

Hi,

 

I have a text file which has irradiance value over a day.These values are at certain instant of time . I created a graph from these values that look like an inverted parabola.Actually I am attaching the text and vi.If you load the text file and enter following data u will get a graph like i got.

 

; seperator

 

30 start

40 number of elements

 

Now what I want to do is to obtain data from the graph at an interval of ten minutes for 24 hrs long  and use it in an another vi.I don't need to replot the graph i just want to use the data interpolated in another vi using this as sub vi. If you have any other way of doing this please suggest. 


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