vector differential operator

基本解释

Two sufficient conditions for the discreteness of two-order self-adjoint vector differential operator are given in last part.
第四章研究了二阶自伴向量微分算子，得到其谱是离散的两个充分条件。
In the first part, the background and development of differential operator (vector differential operator) theory are introduced simply.
全文共分为四部分：第一章，简单介绍了微分算子（向量微分算子）理论的背景和进展；
This paper uses an approach of approximate wavelet multi scale edge detecting algorithm based on Gaussian filter and vector differential operator.
提出了一种基于矢量运算的新的坐标变换方法，该方法具有不需要计算转换系数矩阵、可逆的特点。