英语词汇variational approximation怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词

variational approximation

释义

variational approximation

简明释义

变分近似法

网络释义

1
?变分近似
...广泛的研究，如马尔可夫蒙特卡罗马尔可夫方法（MCMC）、拉普拉斯近似、以及本文要用到的变分近似（variational approximation）。变分推断的基本思想是使用 Jesen 不等式来得到对数似然的一个可变下界。

短语

1
variational approximation method
变分近似法
2
adiabatic variational approximation
绝热变分近似
3
discrete variational-local density approximation
离散变分

双语例句

1
Then the new step function space is introduced and stability problem for the finite difference scheme is discussed by means of variational approximation method.
然后引入新的步长函数空间，并在这个空间上，采用变分近似法讨论该格式的稳定性问题。
2
By means of the variational approximation and direct simulations we demonstrate the one-soliton state trapped in a channel has no existence threshold and is always stable.
通过数值方法直接求解非线性薛定格方程以及变分法近似求出了束缚于一个“凹槽”中的单个空间光孤子解，这种光孤子的存在没有阈值范围，且总是稳定传输的。
3
Then the new function space is introduced and the stability problem for the finite difference scheme is discussed by means of variational approximation method in this function space.
然后引入新的函数空间，并在这个空间上，采用变分近似法讨论了该格式的稳定性问题。

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单词	variational approximation
释义	variational approximation 简明释义变分近似法网络释义 1 ?变分近似 ...广泛的研究，如马尔可夫蒙特卡罗马尔可夫方法（MCMC）、拉普拉斯近似、以及本文要用到的变分近似（variational approximation）。变分推断的基本思想是使用 Jesen 不等式来得到对数似然的一个可变下界。短语 1 variational approximation method 变分近似法 2 adiabatic variational approximation 绝热变分近似 3 discrete variational-local density approximation 离散变分双语例句 1 Then the new step function space is introduced and stability problem for the finite difference scheme is discussed by means of variational approximation method. 然后引入新的步长函数空间，并在这个空间上，采用变分近似法讨论该格式的稳定性问题。 2 By means of the variational approximation and direct simulations we demonstrate the one-soliton state trapped in a channel has no existence threshold and is always stable. 通过数值方法直接求解非线性薛定格方程以及变分法近似求出了束缚于一个“凹槽”中的单个空间光孤子解，这种光孤子的存在没有阈值范围，且总是稳定传输的。 3 Then the new function space is introduced and the stability problem for the finite difference scheme is discussed by means of variational approximation method in this function space. 然后引入新的函数空间，并在这个空间上，采用变分近似法讨论了该格式的稳定性问题。
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