Octave / graph

function y = fun97(x)
 # A(1:2,1:((b-a)/h))=0;
 # k=1;
  #for i=a:h:b
   # A(1,k)=i;
    #A(2,k)=
y=exp(x ./ 3)/(1 .+ x .^ 2);
    #k=k+1;
 # endfor
endfunction

x=[1.4 :0.1 : 2.4]
y=fun97(x)
plot(x,y)