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    function y=hermite(x0,y0,y1,x);
n=length(x0);m=length(x);
for k=1:m
yy=0.0;
for i=1:n
h=1.0;
a=0.0;
for j=1:n
if j~=i
h=h*((x(k)-x0(j))/(x0(i)-x0(j)))^2;
a=1/(x0(i)-x0(j))+a;
end
end
yy=yy+h*((x0(i)-x(k))*(2*a*y0(i)-y1(i))+y0(i));
end
y(k)=yy;
end