[gradsusr] Facing a problem with Time derivative

[lpasmanoranjan]

Dear Davide,
Many thanks for the solution.

I could able to do it according to your suggestion and my requirement.

Best
Mano

On Tue, Jun 4, 2019 at 17:38 Davide Sacchetti <davide.sacchetti at arpal.gov.it>
wrote:

> vint(const(mslp,1000), q, 100) is the integrated moisture
>
> if you want to display a time varying derivative you could use cdiff,
> otherwise, if time is fixed, suppose you would plot derivative at t=2 and
> suppose dtime=3h, you could:
>
> d (
> vint(const(mslp(t=3),1000),q(t=3),200)-vint(const(mslp(t=1),1000),q(t=1),200)
> )/(2*3*3600)
>
> Bye
> Davide
>
> On Tue, 2019-06-04 at 12:14 +0900, lpasmanoranjan wrote:
>
> Dear Users,
> I am having a problem while computing the time derivative of column
> integrated moisture, which is:
> (1/g) x ∂/∂t ∫qdp
>
> I can compute the column integrated moisture as vint(1000,q,100). I can't
> think the next.
>
> I appreciate for any kind of help or suggestion in this regard.
> --
> Kind Regards,
> Mano
>
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-- 
Kind Regards,
Mano
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