Passing function as arguments in Matlab

Passing function as arguments in Matlab

I've just started to program and i've had some problems in passing
function as arguments using Matlab. I've to implementate Lagrange
Algorithm for interpolation. C1 and C2 are vectors that represent points
to interpolate coordinates.
My main problem is that I don't know how to explain in my f1 definition
that temp1 and temp2 are not variables but values determined on every for
loop (for i and j). I think the code remaining part could be almost
correct.
function [ ] = lagrange( C1,C2 )
n=length(C1);
f2=inline('');
g=inline('');
for i=1:n
temp0=C2(i);
temp1=C1(i);
for j=1:n
if (i~=j)
temp2=C1(j);
temp3=C2(j);
f1=inline('(x-temp2/(temp1-temp2)','x','temp1','temp2');
f2=f2.*f1
end
g=g+temp0*f2;
end
end
%plot g
end