behavior of ind, = and equal, also fiddling with limit
Subject: behavior of ind, = and equal, also fiddling with limit
From: Stavros Macrakis
Date: Thu, 24 Sep 2009 13:07:08 -0400
On Thu, Sep 24, 2009 at 12:56 PM, Stavros Macrakis <macrakis at alum.mit.edu>wrote:
> On Thu, Sep 24, 2009 at 11:45 AM, Richard Fateman <fateman at cs.berkeley.edu
> > wrote:
>
>>
> limit(sin(x),x,infinity) returns und
>>
>
> I believe this is correct. For non-real x, abs(sin(x)) -> inf for x->inf
> and for real x, it is IND (limit set [-1,1]). So und is the only possible
> answer.
>
Sorry, abs(sin(x)) -> inf for x->inf is actually UND for complex values.