Correction to "Elimination of singular cases in Jury's test"
M. Rao · IEEE Transactions on Automatic Control · 1976
The purpose of this correspondence is to show that in certain situations the modification suggested in the above correspondence does not give the correct root distribution and fails to eliminate the singular case. Consequently, the correct modification which can handle these situations also is suggested. Incidentally, an incorrect statement made in the above correspondence is also pointed out.