弱导数 [
ruò dǎo shù]
[数] weak derivative
- 研究了一类和广义微分算式(在弱导数的意义下)相联系的最小算子和最大算子。
It is shown that the minimal operators are symmetric and the adjoint operators of the minimal operators are exactly the corresponding maximal operators. - 以二元函数为例讨论混合偏导数相等的条件,给出了两个比现行教材中更弱的混合偏导数相等的充分条件。
Using two dimensional function as an example the writer gives two sufficient conditions for mixing partial diffevential coefficient equality.
您正在访问的是
中国词汇量第二的英语词典
更多精彩,登录后发现......