我们的方法通过进行矩阵与入射场系数矢量之间的运算来得到散射场，它们之间的运算可以通过上述的优化求逆的方法进行。
Our method obtains the scattered field by directly multiplying the matrix and the incident field coefficients, operation between which can be completed by the improved matrix inversion.
文中将GA用于三次样条函数拟合的系数求解，避开了矩阵求逆的繁琐问题，结合具体例子作了一些探索。
GA is used to obtain coefficients of cubic spline function fitting to avoid the inverse of the matrix and some work is made with an example.
用计算加权系数的方法代替了原来的计算加权矩阵，从而避免了求解滤波误差方差阵的逆矩阵。
The weight matrix is replaced by using weight coefficient, and avoids calculating inverse matrix of the error variance matrix.
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