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NIST
1 Algebraic and Analytic MethodsNotation

§1.1 Special Notation

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

x,y

real variables.

z

complex variable in §§1.2(i), 1.91.11, real variable in §§1.51.6.

w

complex variable in §§1.91.11.

j,k,

integers.

m,n

nonnegative integers, unless specified otherwise.

f,g

distribution.

deg

degree.

primes

derivatives with respect to the variable, except where indicated otherwise.