# §11.1 Special Notation

(For other notation see Notation for the Special Functions.)

 real variable. complex variable. real or complex order. integer order. nonnegative integer. arbitrary small positive constant.

Unless indicated otherwise, primes denote derivatives with respect to the argument. For the functions , , , , , and see §§10.2(ii), 10.25(ii).

The functions treated in this chapter are the Struve functions and , the modified Struve functions and , the Lommel functions and , the Anger function , the Weber function , and the associated Anger–Weber function .