G03ECF Example Program Data
5 3                  : N,M (G03EAF)
'I' 'S' 'U'          : UPDATE,DIST,SCAL (G03EAF)
 1  5.0 2.0
 2  1.0 1.0
 3  4.0 3.0
 4  1.0 2.0
 5  5.0 0.0          : End of X (G03EAF)
 0   1   1           : ISX (G03EAF)
5                    : METHOD (G03ECF)
'A' 'B' 'C' 'D' 'E'  : Row names (ROW_NAME)