This paper presents a study on error processing of map digitized data with nonlinear least squares adjustment which is called damped least squares.
应用非线性最小二乘平差方法阻尼最小二乘法研究了数字化数据误差处理，并将该方法与最小二乘条件平差进行了比较。
Based on the homotopy idea, an improved homotopy algorithm was proposed in order to search a more efficient algorithm for nonlinear least squares adjustment.
为了寻求一种更有效的非线性最小二乘平差算法，根据同伦思想提出了一种改进的同伦算法。
The research of variance covariance propagation of nonlinear least squares adjusted parameters must keep in step with the development of nonlinear least squares adjustment in this area.
对于非线性最小二乘平差参数的方差协方差传播的研究，必须与非线性最小二乘平差的研究同步。
The research of variance covariance propagation of nonlinear least squares adjusted parameters must keep in step with the development of nonlinear least squares adjustment in this area.
对于非线性最小二乘平差参数的方差协方差传播的研究，必须与非线性最小二乘平差的研究同步。
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