This function returns %T if vx is the eigenvector corresponding to
eigenvalue lam of A and returns %F if vx is not eigenvector corresponding
to eigenvalue lam.
Examples
A=[12;34]vx=[13;15]lam=4;z=maxplusisegv(A,vx,lam)
Author
Subiono
"Max-Plus Algebra And Petrinet Toolbox", ver. 1.1.0, February, 2013.