Table B1.

The same centerline results as in Table 1 of the main text, but for different axonal diameter combinations.

Testing case	Combined path #1	Combined path #2	Combined path #3
Axons diam.	Hack’s level 1 – 1 μm	Hack’s level 2 – 1 μm	Hack’s level 3 – 1 μm
Rel. potential ${\varphi }_e$ diff. (L2 norm)	0.005% 0.001%	0.003% 0.001%	0.003% 0.001%
Rel. $E_z$ diff. (L2 norm)	0.2% 0.1%	0.3% 0.3%	0.4% 0.3%
Rel. $d{E}_z/dz$ diff. (L2 norm)	41% 30%	54% 47%	69% 74%
Rel. $\left|E_z\right|$ diff. at start termination	+3% 1%	+3% 1%	+3% 1%
Rel. $\left|E_z\right|$ diff. at end termination	+3% 1%	+21% 0.5%	+7% 30%
Axons diam.	Hack’s level 1 – 2 μm	Hack’s level 2 – 2 μm	Hack’s level 3 – 2 μm
Rel. potential ${\varphi }_e$ diff. (L2 norm)	0.005% 0.001%	0.003% 0.001%	0.003% 0.001%
Rel. $E_z$ diff. (L2 norm)	0.2% 0.2%	0.5% .0.3%	0.6% 0.4%
Rel. $d{E}_z/dz$ diff. (L2 norm)	98% 62%	92% 70%	99% 110%
Rel. $\left|E_z\right|$ diff. at start termination	+13% 1.5%	+13% 1.5	+13% 1.5
Rel. $\left|E_z\right|$ diff. at end termination	+13% 0.6%	+19% 8%	+6% 35%