3) 
=3) 
€ 
n 
  
  
strip being joined to only two models, and not 
three, in the adjacent strip (assuming g=20%,p=60%). 
Thus the subblock B(k) of the matrix M would take 
one of the patterns illustrated in figure 14. Here 
one off-diagonal (eigher the upper or the lower) 
Of the submatrix b(k,k+1) becomes zero. 
IL |L(2) |L(3) | L4) | ) 
    
  
  
(S) 
(S) 
-*BI) 
  
     
>80) 1] 
    
  
  
  
  
  
  
  
(S)| (S) 
ILtg-4)IL(g-3)' Ltg-2) 
  
  
Banded M 
. |LU) |L(2) |L(S) |L(4) |L(5) | | LIS) | 
   
   
  
1) 
  
  
  
  
  
YT ™ monem Zn) 
(9-2) B(S-1) 
: Bis) 
(9-2) (g-2) |(g-2) 
IL(s-3) IL(s-2)IL(s-1) IL(s) |! 
Figure 8. Patterns of M,p= 80%,q=20% . 
  
  
  
  
  
  
  
  
  
  
  
  
  
(s) 
(g-2 
(s) 
(g-2 
Lu) 
  
L(2) 
  
  
  
  
  
  
(S) 
(9-2) 
(S). 
(9-2) 
(s) 
(9-2) i B 
  
  
  
  
  
  
  
  
Figure 9- Patterns of M, p» 8096,05 6096 . 
p L(3) L(4) 
í 4 
[:] [8] [v] 
E 
Li 1141 - Le ]- [7 
Figure 10:1. 
Ordering. 
L(5) 
f 
  
  
  
(——*spD 
E 
[][s| «1 [s][s3- 
     
    
  
247 
IL Lz) Ley | Lie Lis) 1 Lie) | 
       
      
(S-1) | 
Ls 
ll 
I 
| 
| | B(g-4 
| | (2s-1) 
: 1) (28-1) (2s-1) (2s-1) 
1h (e-5)!  Lig-4)| L(g-3) | Liga) | Lig | Lig) 
Figure 10-2. Pattern of M,p= 80%,q=60% ,{+C). 
  
    
AL) | L(2) JL(3) | L(4) | ys) 
    
       
    
  
> 
—B() 
  
—=B(2) 
° 
© tom 6 comm 0 reve. 
  
  
  
  
  
  
  
  
    
     
  
  
— = 
(ea i (g-2) 
9 | (eG) | (g) 
(6-2) 3 (g-2) 
(9 ) 1 mi 
(g-2) | (g-2)| (g) (280) (g-2) 
   
   
  
  
L(es-S)L(2S-4) L(2s-3) L(2s-2) L(25-) - 
Figure 10-3. Pattern of M,p=80%,q=60%, (+C). 
Figure 10-4. 
Ordering.