| 释义 |
grads operator
基本例句
微分算子
The Hamiltonian of the system is the Driac operator which as a matrix differential operator is not semibounded from below.系统的哈密顿函数是作为矩阵微分算子的狄拉克算子，它不是半有界的。
The standard parabolic equation method was obtained by the decompocition of the scalar wave equation and the expansion of the pseudo-differential operator.通过对传统波动方程的分解和伪微分算子的近似展开，获得了标准抛物线方程。 |