modified Hankel functions
modified Hankel functions[′mäd·ə‚fīd ′häŋk·əl ‚fəŋk·shənz]
The functions defined by Kv (x) = (i π/2) exp (iv π/2) Hv (1)(ix), where Hv (1)is the first Hankel function of order v, and x is real and positive. Also known as modified Bessel function of the second kind.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.