NAME

helicon - convolution using helix filters


SYNOPSIS

Initializer - call helicon_init(aa)

Operator - ierr=helicon_lop(adj,add,xx,yy)


PARAMETERS

aa - type(filter)
      helix filter to perform convolution with
adj,add,xx,yy -
      standard operators parameters


DESCRIPTION

 Convolution, inverse to deconvolution.
 Requires the filter be causal with an implicit "1." at the onset.


SEE ALSO

the helix manpage


LIBRARY

geef90