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Re: MatchQ

• To: mathgroup at smc.vnet.net
• Subject: [mg8595] Re: [mg8542] MatchQ
• From: mabi at solidmr.kun.nl (Marlies Brinksma)
• Date: Tue, 9 Sep 1997 03:07:13 -0400
• Sender: owner-wri-mathgroup at wolfram.com

> 
> Hello,
> 
> Can anybody explain me why 
> 
> MatchQ[E^(a*I*b), E^(I*freq_)] gives False ???
> 
> (while for instance MatchQ[E^(a*I*b), E^(a*freq_)] gives True)
> 
> What patterns  should be used for expressions with I ?
> 
> 
> Many thanks,
>                 Raya Khanin


Hi Raya,

When I tried your input I got a different result:

In[3]:=
MatchQ[E^(a*I*b), E^(I*freq_)]

Out[3]=
True

Did you change the Attributes of the built-in function Times[]?

Best regards,

Marlies Brinksma