lp = LinearProgramming.LinearProgram()
-lp.objective_function_coefficients = [5, 100, 30, 10, 20, 300]
+lp.objective_coefficients = [5, 100, 30, 10, 20, 300]
lp.constraint_matrix = [ [1,1,1,0,0,0],
[0,0,0,1,1,1],
[0,1,0,0,1,0],
[0,0,1,0,0,1] ]
-lp.inequalities = ([LinearProgramming.LEQ] * 2) + ([LinearProgramming.EQ] * 3)
+lp.inequalities = ([LinearProgramming.LE] * 2) + ([LinearProgramming.EQ] * 3)
lp.rhs = [ 500, 600, 400, 300, 200 ]