newtone(3,0.1) 

newtone(3,0.01) 

newtone(3,0.0000000000000001) 

x=0:0.02:10; 

y1=cos(x)+2; 

plot(x,y1,x,y2) 

x=0:0.02:4; 

y1=cos(x)+2; 

y2=exp(x) 

y2=exp(x); 

plot(x,y1,x,y2) 

log(3) 

plot(x,y1,x,y2) 

y3=log(x) 

plot(x,y3) 

y4=-sin(x)/(cos(x)+2); 

plot(x,y4) 

x=0:0.2:2; 

y4=-sin(x)/(cos(x)+2); 

x=0:0.02:2; 

y4=-sin(x)/(cos(x)+2); 

plot(x,y4) 

x=2 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

x=log(cos(x)+2) 

fixed(2,3) 

fixed(2,3) 

fixed(2,100) 

fixed(2,101) 

fixed(2,50)