查询词典 multivariate

The sufficient and necessary conditions of positive definitiveness of a covariance matrix from multivariate discrete data are obtained.

本论文通过引入p-向量配、I-线性组合及它们的性质，研究离散型样本协方差矩阵的正定性问题。

The second part has summarized from the one-dimension and multivariate respects the abundant approximation properties of Bernstein polynomials, mainly including the estimation of approximation degree, derivative approximation, linear combination approximation and weighted approximation.

第二部分从一元和多元两个方面系统总结了Bernstein算子丰富的逼近性质，主要包括逼近度估计、导数逼近、线性组合逼近和加权逼近等。

The man is magic like multivariate body, besides Yang Gang, carry casually hand dekko , suit cuff between delicate calm case becomes grace.

男人是一个魔术般的多元体，阳刚之外，不经意地抬手一瞥，将西服袖口间的精致定格成为优雅。

In normal multivariate regression analysis, the relations between independent variable and dependent variable is analyzed, and the value of dependent variable can be forecasted.

在一般的多元回归分析中，通过分析因变量和自变量之间的关系，可以预测因变量的值。

Variables were analyzed by univariate and multivariate analysis with pCR as the dependent variable.

采用单因素和多因素进行变量分析。

Table 2 presents descriptive statistics for firm characteristics used as control variables in the multivariate tests.

表2显示了在多元试验中作为控制变量的企业特征的描述性数据。

The good QSPR models for the molar diamagnetic susceptibilities can be constructed from 0 G and 1 G by using multivariate linear regression method and artificial neural network method.

由0 G ，1 G 通过多元线性回归和人工神经网络方法均可以得到良好的预测摩尔反磁磁化率的模型。

And then the sufficient conditions of differentiability for the multivariate function is considered.

然后考虑了一般的多元函数的情形，得到了当多元函数的某个偏导数连续，而其余偏导数存在时，函数可微。

If all of the partial derivations exist and only one of them is not continuous,the multivariate function is differentiable.

最后结合实例进行了讨论，结果表明，所有偏导数存在并不蕴含可微，函数可微时可以没有连续的偏导数。

Multivariate Function Differential Calculus is widely used, so are the limits of conditions in optimization problems.

多元函数微分学有着极其广泛的应用，其中条件极值在最优化问题中经常用到。

Through comparing with the results by simulation to study the effects of theprojectile"s final velocity, the angle of rotation and the ballistic trajectory"s migration withdifferent projectile"s rotating speeds, different target"s moving speeds and differentpenetration angles.

通过比较数值模拟的结果来研究不同弹头转速、目标速度、侵彻角对侵彻过程中弹头最终速度、翻转角度和弹道偏移的影响。

I love stationery and all the accoutrement of writing.

我爱文具以及所有的书写的工具装备。