FIGURES 

 Common-Point of ( and £ 



r o *, ** *3 X 



Fig. i --Section VI (2). 



Fig. 2— Section VI (2). 



Axial Iteration 



x r xYi x x x x x- Y z x xxY 



z* Xzr, 



Fig. 3.— [o+/> . 

 Section VI (3). 



Fig. 4-— [0+//«i>o. Fig. 5.— [O-///']x . 



Section VI (3). Section VI (4). 



.o=f 



Fig. 6.— [o + (f-o)[> . 

 Miit-axial Iteration. Section VI (5) 



Fig. 7. —Partial Roots and Actual Roots. 

 Section VII (1). 



00O 



00 L 



Fig. 8. 



" \a> 



- Critical Points. Note 1 1 



600] 



