besselK

double
besselK
(
double x
,
double alpha
,
Flag!"ExponentiallyScaled" expFlag = Flag!"ExponentiallyScaled".no
)

Examples

assert(std.math.approxEqual(besselK(2, 1), 0.139865881816522427284));
assert(std.math.approxEqual(besselK(20, 1), 5.88305796955703817765028e-10));
assert(std.math.approxEqual(besselK(1, 1.2), 0.701080));

Meta