Helderiv < in.H helix=1 na=16 > out.H
from history | integer | n1 , n2 | |
---|---|---|---|
from par | logical | helix =1 | if 0, apply the gradient filter on the 1st axis |
integer | na =16 | filter size (half the number of nonzero coefficients) | |
real | eps =0.001 | zero frequency shift on the laplacian |
Modules: helicon.lop , helderiv.r90