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Simplification of equations

• To: mathgroup at smc.vnet.net
• Subject: [mg116710] Simplification of equations
• From: Kai-Uwe Stallmeyer <no-mail-in-ng at stallmeyer.invalid>
• Date: Thu, 24 Feb 2011 06:31:30 -0500 (EST)

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