# 3.5.1.3.16 Bessel_k0_scaled

## Definition:

$k0\_scaled = bessel\_k0\_scaled(x)$ evaluates an approximation to $e^xK_0\left( x\right)$, where $K_0$ is a modified Bessel function of the second kind. The scaling factor $e^x$ removes most of the variation in $K_0\left( x\right)$.

$k0\_scaled$ (output, double)
Approximation of $e^xK_0\left( x\right)$