考虑阻尼力后,结构的特征方程应有复数根,因而通常用于求解多项式方程实数根的二分法不再适用。
The consideration of damping force leads to a fact that there exist complex roots to the characteristic equation for the structures.
避免重复数据库服务器的工作:指示DB 2根据您的需要过滤和处理数据,而不是在应用程序中做这项工作。
Avoid duplicating the work of a database server: Instruct DB2 to filter and process data according to your needs rather than doing this work in your application.
本文在复数域上证明了哈密尔顿-凯莱定理,并给出方阵A的特征多项式的全部矩阵根。
The paper proved the Hamilton-Cayley theorem in complex number space, and indicated the all matrix root of the sign multinomial of matrix A.
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