NAME

Pef - Estimate PEF in N dimensions


SYNOPSIS

Pef < data.H a= [center=] [gap=] [maskin=] [maskout=] > pef.H


DESCRIPTION

Estimates PEF by least squares, using helix convolution. Can ignore missing data


PARAMETERS

from history
integer array n - reads n1, n2, n3, etc.

from par
integer array a= - filter size

integer niter=2*prod(a) (optional) - number of PEF iterations

integer array center=a/2+1 (optional) - zero-lag position (filter centering)

integer array gap=0 (optional) - filter gap

filename maskin, maskout (optional) - data selectors

to history
integer array lag - comma separated list of filter lags


EXAMPLES

gee/mda/hole90/, gee/mda/miss390/, gee/mda/morgan/, gee/mda/seab90/, gee/pch/signoi90/


MODULES

shape.r90, bound.r90, misinput.r90, pef.r90, compress.r90, print.r90, helix.r90


SEE ALSO

MSPef, Fillmiss, the Helicon manpage, Decon