共轭方向算法是非线性最优化理论中一类重要的算法，确定共轭向量是共轭方向算法的关键。
Conjugate direction algorithm is an important algorithm in the theory of optimization. Determining conjugate vectors is a key in conjugate direction algorithm.
并用算例用基于准梯度向量的准梯度法、准共轭梯度法和变尺度法求解有功优化潮流。
The optimal real power flow is computed on the basis of the quasi-gradient vector by means of gradient method, conjugate gradient method and DPF method.
探讨了提高向量组共轭度的方法，证明了与共轭化方法有关的一个强化定理。
A method is discussed by which conjugate degree of vectors can be improved.
然后利用广义特征方程存在共轭正交的特征向量这一结论 ，巧妙地解决了该共轭正交条件下最优鉴别矢量集的求解问题 。
Then the problem of finding the optimal discriminant vectors subjected to such constraints is solved using the property that there exist a set of conjugate ort.
然后利用广义特征方程存在共轭正交的特征向量这一结论 ，巧妙地解决了该共轭正交条件下最优鉴别矢量集的求解问题 。
Then the problem of finding the optimal discriminant vectors subjected to such constraints is solved using the property that there exist a set of conjugate ort.
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