vector differential operator

基本解釋

Two sufficient conditions for the discreteness of two-order self-adjoint vector differential operator are given in last part.
第四章研究了二階自伴向量微分算子，得到其譜是離散的兩個(gè)充分條件。
In the first part, the background and development of differential operator (vector differential operator) theory are introduced simply.
全文共分為四部分：第一章，簡(jiǎn)單介紹了微分算子（向量微分算子）理論的背景和進(jìn)展；
This paper uses an approach of approximate wavelet multi scale edge detecting algorithm based on Gaussian filter and vector differential operator.
提出了一種基于矢量運(yùn)算的新的坐標(biāo)變換方法，該方法具有不需要計(jì)算轉(zhuǎn)換系數(shù)矩陣、可逆的特點(diǎn)。