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Re: Simplification of equations

  • To: mathgroup at smc.vnet.net
  • Subject: [mg116721] Re: Simplification of equations
  • From: DrMajorBob <btreat1 at austin.rr.com>
  • Date: Fri, 25 Feb 2011 06:34:32 -0500 (EST)

Reduce[E^(I y) x == 0, {x, y}]

x == 0

Bobby

On Thu, 24 Feb 2011 05:31:30 -0600, Kai-Uwe Stallmeyer
<no-mail-in-ng at stallmeyer.invalid> wrote:

> Hello,
>
> I am trying to simplify an equation like
>
> 	E^(I y) x == 0
>
> I would exspect
>
> 	Simplify[E^(I y) x == 0, Assumptions -> y > 0]
>
> to work, but it doesn't. It needs explicitly
>
> 	Simplify[E^(I y) x == 0, Assumptions -> E^(I y) != 0]
>
> which should be implied by the first version. Is there a better way?
>
> Best regards
> KUS
>


-- 
DrMajorBob at yahoo.com


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