nonvanishing

nonvanishing

1. One of them is suitable for systems without perturbation and the other two are suitable for systems under two kinds of perturbations, vanishing and nonvanishing, respectively.

一个判据适合系统没有摄动情况，其他两个则分别适用于系统存在归零及非归零摄动情形。

2. A Brief Proof for the Theorem of Diagonal Dominant Matrix with Nonvanishing Element Chain to Be Nonsingular

具有非零元素链的对角占优矩阵为非奇异的定理的一个简短证明

3. Meanwhile, we discuss the cyclic vectors in the Fock-type spaces and give an example of f which is a nonvanishing function but not cyclic in the Fock-type spaces.

同时进一步分情况探讨了Fock型空间的循环向量，并给出了在Fock型空间上无零点函数但非循环的例子。

4. nonvanishing functions

非零函数