| Author |
Comment/Response |
Bill Simpson
|
 02/27/13 01:15am
Here is an example kappa
In[1]:= kappa[t_,lambda_]:=lambda^2+t+1;
Reduce[kappa[t,lambda]==0,lambda]
Out[2]= lambda== -Sqrt[-1-t] || lambda==Sqrt[-1-t]
For different definitions of kappa the form of the result may be very different. Thus providing a single simple method of negating that solution seems risky. Manually I can say that your solution would be
lambda!= -Sqrt[-1-t] && lambda!=Sqrt[-1-t]
is the set of lambda where there are no zeros.
Without knowing more about your kappa I don't see a way to say any more than this.
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