elif selector2 == '4':
"""
Harmonic Search Algorithm tentative ver Oct15
"""
print('-' * 100)
print('Global Optimization by ALHSO')
alpso_ret_list = []
alhso = ALHSO()
alhso.setOption('hms', 30)
stime = time.time()
for i in range(alhso_n):
temp = alhso(opt_prob)
alpso_ret_list.append(temp[0])
print opt_prob.solution(0)
opt_prob.delSol(0)
print('%d th iteration' % i)
etime = time.time()
print ('elapsed time : %f' % (etime - stime))
fig, ax = plt.subplots(1, 1)
ax.hist(alpso_ret_list, alhso_n, color='azure')
ax.set_xlabel('function value')
plt.tight_layout()
else:
pass
print('Global Optimization has finised. \n')
elif selector1 == '2':
