... point and the direction of an object.In polar coordinates (r, θ ) in the plane thepolar angle θ is called the azimuth of thepoint P .© 2003 by CRC Press LLC DICTIONARY OF Applied math for engineers and ... Cavagnaro and William T. Haight, II Applied Mathematics for Engineers and Scientists Emma PreviatoFORTHCOMING VOLUMESThe Comprehensive Dictionary of MathematicsDouglas N. Clark© 2003 by CRC ... Hs(),where C = C(s, k,) > 0 and Pk() stands for the space of multivariate polynomials of totaldegree ≤ k on . The proof of this lemmarelies on the compact embedding of Hs() inL2(), a...