Writing out to a file and cdiff

[Jason Snyder]

In regards to your second question would this work?

'sdfopen uwnd.2001.nc'
'define dx=cdiff(uwnd,x)'
'define dxdy=cdiff(dx,y)'
'define dxdydz=cdiff(dxdy,z)'


or something like this.

-Jason

On Tue, Feb 9, 2010 at 1:55 PM, Jeffrey Duda <jdduda at iastate.edu> wrote:

> I have two questions.
>
> 1) How do you write data out to a file in text format?  I know there is an
> fwrite command, but I don't really know how it works.
>
> 2) Can the cdiff command work when three environment dimensions are
> varying?  I'm trying to compute EPV, but to do so, I need to do a cdiff
> command in the x, y, and z dimensions, but I always get an error and usually
> Grads crashes when I do it.
>
> Jeff Duda
>
> --
> Jeff Duda
> Iowa State University
> Meteorology Graduate Student
> 3134 Agronomy Hall
> www.meteor.iastate.edu/~jdduda
>
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