Based on the spectral set of skew-symmetric matrix, the result that a class sign pattern matrix with zero diagonal is unique inertia was proved by using orthogonal similarity transformation.

本文基于反对称矩阵的谱集，采用正交相似变换，得到一类具有零对角的符号模式矩阵具有唯一惯量的结论。

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It is known that a characteristic matrix can be transformed into a diagonal matrix by similar transformation using eigenvalues and eigenmodes.

特性矩阵可以通过本征值和本征模式相类似的转变而成为对角线矩阵。

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As multiple-quantum operator algebra theory mentioned, any unitary transformation can be decomposed into a sequence of a limited number of one-qubit quantum gates and two-qubit diagonal gates.

多量子算符代数理论可以将幺正变换分解为一系列有限的单量子门和对角双量子门的组合。

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