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Re: Simplify an expression with respect to one of many variables
*To*: mathgroup at smc.vnet.net
*Subject*: [mg130400] Re: Simplify an expression with respect to one of many variables
*From*: Bob Hanlon <hanlonr357 at gmail.com>
*Date*: Tue, 9 Apr 2013 04:05:00 -0400 (EDT)
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*References*: <20130408040556.866506AEB@smc.vnet.net>
Just Simplify (or FullSimplify) after you take the derivative.
expr = z^(d x) (1 + a x + b y) (2 - c x)^3 (1 + 2 s x + t)^3;
(D[expr, x] // Simplify) ==
(expr // Simplify[D[#, x]] &) ==
Simplify[D[expr, x]] ==
Simplify@D[#, x] &@expr
True
Bob Hanlon
On Mon, Apr 8, 2013 at 12:05 AM, YI LIU <liuyi.feier at gmail.com> wrote:
> To all in the group,
>
> I have an expression with around 10 variables. I would like to simplify
> the expression after derivative with respect to one of the 10 variables.
> Let's say x.
> However, I didnt find an option for that from Simplify fn.
>
> Any suggestion?
>
> Thanks
>
>
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