Re: how to improve the interpolation?

Your question does not have enough information.
Does your input x[*], y[*], z[*] have missing values?
If so, perhaps the following would help:

http://www.ncl.ucar.edu/FAQ/#array_funcs_003

Please post a picture of t plot.

hjb wrote:
> Dear everyone,
>
> I have a problem with interpolation. I interpolated the station data to
> grid with the fuction natgrids.
> However, the "sawtooth phenomenon" is serious near the missing value
> region. Can anyone give some suggestion to improve this kind
> interpolation? Thanks in advance.
>
>
> ------------------------------------------------------------------------
> hjb
> 2008-08-16
>
>
> ------------------------------------------------------------------------
>
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Received on Fri Aug 15 2008 - 16:03:59 MDT