奇异矩阵
Algorithms for the minimal polynomial and the inverse of a given block circulant matrix over a group algebra of a finite group over a field are presented, and a method of determining singularity of this block circulant matrix is given.
·给出了求域上有限群的群代数上的块循环矩阵的极小多项式的算法,西安电子科技大学博士学位论文:多项式代数及其应用奇异性判别法及其逆矩阵的求法。
The singularity of thick and thin plate element stiffness matrix due to the use of the reduced integration on the basis of the finite element is investigated.
本文研究了薄厚板壳有限单元统一性理论中,由于采用降阶积分而使得刚度矩阵产生奇异的问题。
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