NAME

igrad2 - 2D gradient operator


SYNOPSIS

ierr=igrad2_init(n1,n2)

ierr=igrad2_lop(adj,add,xx,yy)


PARAMETERS

n1,n2 - integer
      dimensions of dataset
adj,add,xx,yy -
      standard operator interface


DESCRIPTION

 Calculate 2-D gradient


SEE ALSO

the igrad1 manpage


LIBRARY

geef90