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利用待定系数法得出了三元二次多项式可进行因式分解的充要条件，并应用这个充要条件解决了两个具体问题。 In this paper a suffitient and necessary condition of factoring on the polynomial of three variables power two is obtained by using undefinite co efficient method. | ||
建立了占先结构类可以由条件断言(正)布尔组合刻画的充要条件以及有限刻画的充要条件。 We have established the characterization for the classes of preferential structure can be expressed or limited expressed based on Boolean combinations of conditional assertions. | ||
本文给出矩阵可对角化的一个充要条件。 In this paper we give a necessary and sufficient condition on diagonalization matrix. | ||
相信自己不聪明不是智慧的充要条件。 The belief that one is not wise is not a sufficient condition for wisdom. | ||
本文用加权图的语言给出了这个充要条件一个简单的组合论的刻画。 This paper reduced Qiu s criterion to a simpler version in terms of weighted graphs. | ||
同时得到一些关于四元数矩阵的性质，以及体上矩阵相似和合相似的充要条件。 Finally, the necessary and sufficient condition is shown for similarity and consimilarity of matrices over quaternion field. | ||
给出了复形式的复变函数的共轭可微性充要条件的证明及其重要应用。 This article was to offer necessary and sufficient condition and application of conjugate differentiable complex function in complex system. | ||
借助内积与长度与夹角给出了欧氏空间的变换是反对称变换的若干个充要条件。 A few good necessary and sufficient conditions are given by using inner product and length relation for antisymmetric transformation on Euclidean space. | ||
利用极大子群的几乎正规的概念得到了有限群为可解群的若干充要条件。 By using the concept of almost normal about maximal subgroup, some sufficient and necessary conditions for a finite group to be solvable are obtained. | ||
本文研究链半环上矩阵的张量积，给出了成立的充要条件并指出了它的一些应用。 In this paper, we will study the tensor product of matrices over a Chain semiring, and. | ||
