eigenvalue problem



Richard Fateman wrote:
>
> Just because they have the symbol %i  in them does not mean they are 
> imaginary.
> I tried
> rectform(%);
> %,numer;
>
> which shows the imaginary parts to be quite small.
>   
if you type ratsimp(%)  instead of  %, numer,  the imaginary parts 
disappear.