k0e

Modified Bessel function, third kind, order zero, exponentially scaled.

SYNOPSIS:

double x, y, k0e();
y = k0e(x);

DESCRIPTION:

Returns the exponentially scaled, modified Bessel function of the third kind of order zero of the argument.

ACCURACY:
                      Relative error:
arithmetic   domain     # trials      peak         rms
    IEEE      0, 30       30000       1.4e-15     1.4e-16