The last chapter described the algorithm in detail with its realization in computer . then it defined three concepts of solution point group 、 same solution group set and different solution group set . it also gave out the algorithm of finding all the solution point sets 第四章從計算機的實現(xiàn)過程來詳細描述算法步驟,并定義了最小一乘估計的解點組、同解組集和異解組集的概念,同時給出尋找所有解點組的計算方法,很好地擴展了本文算法的適應(yīng)性。