A structured p step Newton algorithm for nonlinear least square problems is developed. The efficiency of the algorithm is analysed. For zero residual problem its convergence rate is q 2 order, which is the same with that of Newton algorithm.
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- 給出了非線(xiàn)性最小二乘問(wèn)題的結構 p步牛頓算法 ,分析了該算法的效率 ,結果表明 ,對零殘差問(wèn)題新算法具有 q- 2階收斂速率 ,與牛頓法具有相同的收斂速率 ,由于新算法只需計算近似海賽矩陣 ,所以 ,其效應比牛頓法高 ;
