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Re: extract from Reduce
Posted:
Apr 4, 2013 10:30 PM


Try ToRules[] and than /. and you have pure list of results. For example:
x /. {ToRules[Reduce [x^8 == 1]]}
Jakub
> Original Message > From: hamiltoncycle@gmail.com [mailto:hamiltoncycle@gmail.com] > Sent: Thursday, April 04, 2013 4:51 AM > To: mathgroup@smc.vnet.net > Subject: extract from Reduce > > I have a result from the command Reduce that looks like this (as an > example): > > a:= x==3x==4x==7 > > I need to extract the numbers but I can't find a nice way to handle the case > when there is only one equation, for instance: > > a:= x==6 > > currently I check what the head of the expression is (Head[a]) and handle > the case Head[a]=Or with a Map[] and the case Head[a]="Equal" with a[[2]]. > Not very nice, but I guess that there is a neat way to do it. > > cheers, Robert



