The gema is printed or a matrix having nn x ? is
returned binding which elements are precised in the argument
what.
Arguments
gema
gema object to be printed.
what
a character(1); when comprising "m" the
expectations are printed, "l" the linear combinations are printed.
ordering
Nodes are given following the indices of "ordering"
if numeric or the names if it is character. NULL
means the identity permutation. Repetitions or missing nodes are
accepted.
digits
when not null, the number of digits for rounding.
printed
TRUE to issue a printing, if not the prepared
matrix is returned.