By the fractional method, characterized the linear preservers of the adjoint function on the symmetric matrix module.

应用分式化方法刻画了唯一分解环上对称矩阵模的保持伴随函数的线性变换的形式。

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Adjoint function algorithms and direct collocation and nonlinear programming methods are applied to resolve the non-coplanar optimal orbit transfers problem.

分别利用了共轭函数法与直接配置和非线性规划方法对异面最优变轨问题进行了求解。

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A coarse mesh method, in which the theory of nodal Green's function method is adopted, is applied to get the adjoint neutron flux, after a transformation of adjoint flux equations has been made.

将中子伴随通量方程变换处理以后，利用格林函数节块法的原理求解中子伴随通量，以此代替过去采用最多的细网有限差分法。

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