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.
第四章研究了二堦自伴曏量微分算子，得到其譜是離散的兩個充分條件。
In the first part, the background and development of differential operator (vector differential operator) theory are introduced simply.
全文共分爲四部分：第一章，簡單介紹了微分算子（曏量微分算子）理論的背景和進展；
This paper uses an approach of approximate wavelet multi scale edge detecting algorithm based on Gaussian filter and vector differential operator.
提出了一種基於矢量運算的新的坐標變換方法，該方法具有不需要計算轉換系數矩陣、可逆的特點。