♦ 4 matching pages ♦
4 matching pages
Phase (or Argument) Principle…
… ►Initial approximations to the zeros can often be found from asymptotic or other approximations to , or by application of the phase principle or Rouché’s theorem; see §1.10(iv). …
… ►To ensure that no zeros are overlooked, standard tools are the phase principle and Rouché’s theorem; see §1.10(iv). …
Principles of Mathematical Analysis.
3rd edition, McGraw-Hill Book Co., New York.
On Simple Waves with Profiles in the form of some Special Functions—Chebyshev-Hermite, Mathieu, Whittaker—in Two-phase Media.
In Differential Operators and Related Topics, Vol. I (Odessa,
Operator Theory: Advances and Applications, Vol. 117, pp. 313–322.