Fwd: How to get the u component in divergence with missing data

Hi, NCL users,
     I haven't got answers, and have to post it again. Sorry for bothering.
Thanks.
     I use uv2dv_cdf function calculates the divergence with fixed grid data
converted from WRF output,in which there are some
missing data included, also for the divergence I got. I try to find a way to
calculate the u component from the divergence, but it
 cannot work for any related function provided by NCL.Do you know how I can
make it? Can I fill the missing one with very small
values, then calculate it with dv2uvF?

    Thanks, I appreciate very much for your quick responding.

    Yan

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Received on Fri Aug 27 11:31:01 2010