A sufficient condition is obtained for a class of second order operator matrices to generate C0 semigroups.
给出了一类二阶算子矩阵生成C0半群的一个充分条件，并应用此条件证明了一类具体的二阶算子矩阵可生成C0半群。
The full transformation method deals with each boundary constraint node, and for stiff matrices and displacement vector, using operator transformation, relative operator calculation is performed.
全变换方法用于处理每一边界约束点，对刚度矩阵和位移矢量作相应的算子运算。
The full transformation method deals with each boundary constraint node, and for stiff matrices and displacement vector, using operator transformation, relative operator calculation is performed.
全变换方法用于处理每一边界约束点，对刚度矩阵和位移矢量作相应的算子运算。
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