  In an attempt to test the possibility of solving the inverse problem for
liquid metals i.e. obtaining the effective pair potential from the experimental
structure factor, we solve the modified Hypernetted-Chain Integral equation for
liquid aluminum at melting temperature to obtain the effective pair potential
starting from the experimental structure factor and compare it with the
potential obtained from theoretical considerations. Then we use the potential
obtained by solving the inverse problem in Monte Carlo simulation to test it,
and the calculated structure factor of the liquid aluminum is compared with
experiment. We show that the solution of the inverse problem in such cases
gives reasonable quantitative results, and reproduces the general features of
the pair potential and the results for the structure factor are not far from
the experimental measurements.
