global zer n A tau
zerobes
for n=1:30
A(n)=-quadl(@un,0,1)./quadl(@ud,0,1);
end
A
x=-1:0.01:1;
tau=0.5;
y=feval(@trans,x);
plot(x,y,'b')
hold on
tau=0.2;
y=feval(@trans,x);
plot(x,y,'r')
tau=0.1;
y=feval(@trans,x);
plot(x,y,'g')
tau=0.02;
y=feval(@trans,x);
plot(x,y,'m')
axis([-1 1 0 2])