最小平方

We employ quantile regression to capture the behavior at each quantile of conditional distribution.

以普通最小平方回归的方式来估计中小企业市场占有率时，会忽略其条件分配的差异。

The least square conjugate gradient and odd values decomposition method also can be used to perform tomographic inversion.

研制的最小平方共轭梯度算法和奇异值分解法也可进行同样的层析反演。

Although the result will show the positive relations among the stock price, the interest rate, and the exchange rate by direct quotation, it is not explicable to explore the relationship of those three variables only.

在实证分析部分是以时报资讯-情报赢家2000所提供之1999年1月5日到2005年11月30日的统计日资料为基础，建立最小平方回归模型研究其相互关系，研究结果显示如理论探讨所得结论：股价、利率与直接报价法的汇率三者彼此有著正向的关系，并发现仅仅探讨此三变数的关系是较不具有其解释能力的，因为各变数并非仅有彼此做为唯一的影响因子，尚有些经济的变数会影响它们。

Generalized formula is derived for inverse filter with hybrid phase. And the method based on error criteria and iteration is proposed.

对该方法难以解决的混合相位问题，推导出通用公式，并提出基于最小平方误差准则和循环迭代的求解方法。

This can be a least-squares plane or a plane passing through the center of gravity of the corners and is parallel to the mid-rulings of the hyperbolic paraboloid determined by the corners.

这可以是一个最小平方平面或者是一个通过拐角的重心并且平行于由拐点决定的双曲线抛物面的半轴的平面。

Keywords hyperbolic sine equation;flow stress;activation energy;non-linear least squares

双曲线方程；流变应力；激活能；非线性最小平方

Anchor points based Isometric Embedding under least square error criterion has a time complexity of O n log( n , and after obtained geodesic distances it has linear time complexity for embedded points and can be fully realized in parallel.

基于锚点集的最小平方误差等距嵌入算法AIE具有O n log( n 的时间复杂性，而且在获得测地线距离后的计算时间复杂度达到对嵌入点数的线性关系，且可以完全并行实现。

The paper proposes two new dimension reduction algorithms: The First is On the Expected Distortion Bound of Direct Random Projection. The second is Anchor points based Isometric Embedding under least square error criterion. On the Expected Distortion Bound of Direct Random Projection has a time complexity of O.

本文分别提出了两种新的维数约减算法：(1)基于期望扰动的直接随机映像算法On the Expected Distortion Bound of Direct Random Projection，简称DRP(2基于锚点集的最小平方误差等距嵌入算法(Anchor points based Isometric Embedding under least square error criterion，简称AIE)。

To register two partially-overlapping mesh surfaces, the least median of squares estimator is adopted to estimate the rigid body transformation, which is composed of two parts of"generation of hypothesis"and "verification of hypothesis".

为配准两个局部重叠的网格面，采用最小平方中值估算器来计算刚体变换，它由"假设的产生"和"假设的验证"等两个部分组成。

Singular value decomposition and Least Squares QR factorization are two basic methods for a linear equation group in seismic tomography.

奇异值分解法和最小平方QR分解法是求解反演成像中线性方程组的两种基本解法。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。