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## difference quotient

• [数] 差商，均差；差分商

### 网络释义专业释义英英释义

均差

... difference schema 差分名目 difference quotient 均差 difference product 差积 ...

[数] 差商

差分商

... emotion quotient (eq)情商 emotional quotient情商；情感商数 difference quotient差商，均差；差分商 ...

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• 差商 - 引用次数：3

One item of the P-M model is omitted in the P-M’s discrete scheme, and the gradient magnitude is replaced by the absolute value of difference quotient.

Perona-Malik给出的离散格式是一种显式离散格式,这一格式的连续形式省略了原模型中的一项,且用差商的绝对值代替了梯度模。

参考来源 - 基于非线性偏微分方程的图像平滑
• 差商 - 引用次数：1

参考来源 - 关于Heisenberg群上一类次椭圆方程组弱解的正则性
差分商
均差

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#### Difference quotient

• abstract: The primary vehicle of calculus and other higher mathematics is the function. Its "input value" is its argument, usually a point ("P") expressible on a graph.

• [数]差商，均差；差分商

### 双语例句

• A difference quotient-numerical integration method is adopted to solve radiative transfer problems in an anisotropic scattering slab medium.

采用商-数值积分求解辐射迁移问题。

• Through the suitable selection of difference quotient and correction of the one-dimension inaccuracy linear searching, scope of the improved method is extended.

应用角度出发，首先，将约束变尺度改进为一般约束条件，通过适当选择商形式维不精确线性搜索方法修正扩大了该方法的适用范围

• A hybrid algorithm for topology optimization of trusses with discrete variables is developed which combines relative difference quotient algorithm with chaos optimization.

相对商法混沌优化结合起来，形成求解离散变量桁架结构拓扑优化设计混合算法

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