Ke

Complex Kelvin function of the second kind of a real argument.

Loading LOADSUB ALL FROM "KELVIN.HTS"

or LOADSUB FROM "MATHLIB.HTS"

Usage REAL X

COMPLEX C

C=FNKe(X)

Description

FNKe returns the values of the real and imaginary Kelvin functions of the second kind of the value x. The real part of the value returned is the value of ker(x) and the imaginary part is the value of kei(x). Although ker(x) and kei(x) are defined for all values of x except zero, values of x near zero may produce results greater than MAXREAL, the largest value representable.

Errors

FNKe causes an HTBasic error if its argument is not of type REAL. It also causes an error if x is zero or the value of either the real or imaginary component of the value returned would be larger than MAXREAL.

See Also

Ker, Kei, Be

ker(x) + ikei(x)

Arg[ker(x) + ikei(x)], degrees