 Numerical experiments on large matrix pencils illustrate the method , comparing with previous methods, and show that the new method is  more robust and efficient , in particular, in parallel.
<coherence>  Numerical experiments on large matrix pencils illustrate the method , comparing with previous methods, and show that the new method is  more robust and efficient , in particular, in parallel.
 Numerical experiments on large matrix pencils illustrate the method , comparing with previous methods, and show that the new method is found to be more robust and efficient , in particular, in parallel.