企业规划中的设施规划，利用重心法的启发式算法进行迭代，得到单设施多客户点的坐标的C算法-Facility planning in business planning, which employ Gravity heuristic algorithm to obtain a satisfying solution to the single facility problem.

牛顿法，优化算法，采用牛顿迭代法，从而求出极小值点。-Newton' s method, optimization algorithm, using Newton' s iterative method to determine the minimum point.