slack variable meaning in English

松弛变量
松驰变量
无效忧数
余裕变数

Sufficient conditions for the existence of the above filters are established by means of lmis , and the filters synthesis problems are simplified by introducing a set of auxiliary slack variables to fulfill decoupling . by using the basis functions and
应用线性矩阵不等式技术,推导了此类系统故障检测滤波器存在的充分条件,通过引入附加矩阵实现解耦,简化了此类系统故障检测滤波器的综合问题。