Table 2 Optimization parameters: number of contour lines and regularization parameter.

From: Magnetic field compensation coil design for magnetoencephalography

Coil

Number of contours

Regularization \(\lambda\)

\(C_{x,\,{\mathrm{hom}}}\)

20

0.023

\(C_{y,\,{\mathrm{hom}}}\)

20

0.003

\(C_{z,\,{\mathrm{hom}}}\)

20

0.004

\(C_{x,\,\nabla _y}\)

28

0.037

\(C_{x,\,\nabla _x}\)

28

0.006

\(C_{z,\,\nabla _z}\)

28

0.060

\(C_{x,\,\nabla _z}\)

20

0.001

\(C_{z,\,\nabla _y}\)

28

0.024