查询词典 regression equation

Presents the study of second order linear constant coefficient progressive regression equation with the latest achievements in the "greatest common divisor" theory to give the great significance of Fibonacci combination series equation, Fermat Number , and Mersenne Number, and a only exceptional value each.

用"最大公约数"理论的最新结果，研究二阶线性常系数齐次递归方程，给出斐波那契数列组合式、费马数、梅森数在组合数学上的重要意义和它各自有一个且唯一例外

When coverage varying from high to low, the parameter a decreasing, and b increasing. The fitted regression equation between total vegetation coverage and runoff duration as following, C = 3.4881nt_p -11.772 (R~2=0.9477). The equation shows that the vegetation is positive correlation to duration, i.e.

高寒草甸产流、产沙的试验结果表明，不同植被盖度的嵩草草甸其产流、产沙过程可以用幂函数R=at~b分布来描述，随着盖度由大变小，方程参数a值逐渐变小，b值逐渐增大；而覆盖度在5％以下的黑土滩，其产流、产沙过程更符合指数函数R=ae~分布。

MethodsBy means of orthogonally rotational combination design, microwave extraction mathematical simulation model was concluded by the linear regression analysis. In order to obtain the optimum extraction of flavonoids, the regression equation of the relationship between the four factors were established.

方法通过二次回归正交旋转组合试验设计，得到了微波提取苦丁茶中黄酮的数学回归方程；利用模型的响应曲面图及等高线图，对影响微波提取苦丁茶黄酮提取率的关键因素及相互作用进行探讨，得到最佳提取工艺条件。

Results the scoresof obsessive-com pulsive, interpersonal sensitivity, depression, anxiety, hostility, paranoid ide ation, general symptomatic index and number of positive items were significantlyhigher than those of the domestic norm.the multiple linear stepwise regression revealed that the nervousness of epq; fa ther's refusal, rejection; father's warmth and understanding; feeling of oppress ion and cognition of future object entered regression equation.

结果 iad青少年强迫、人际关系敏感、抑郁、焦虑、敌对、偏执因子分、总均分及阳性项目数均高于全国青年常模。进入回归方程的变量有epq的n因子、embu的父亲拒绝否认因子和父亲情感温暖理解因子、压抑感及对未来目标的认识。

Results the scoresof obsessive-com pulsive, interpersonal sensitivity, depression, anxiety, hostility, paranoid ide ation, general symptomatic index and number of positive items were significantlyhigher than those of the domestic norm.the multiple linear stepwise regression revealed that the nervousness of epq; fa ther's refusal, rejection; father's warmth and understanding; feeling of oppress ion and cognition of future object entered regression equation.

进入回归方程的变量有epq的n因子、embu的父亲拒绝否认因子和父亲情感温暖理解因子、压抑感及对未来目标的认识。

In this paper,the correlativity between the Brinell hardness and the Rockwell hardness has been investigated by regression analysis,the regression equation between the Brined hardness and the Rockwell hardness is obtained,therefore the quantitative analysis can be carried out.

本文根据布氏硬度与洛氏硬度之间的相关关系，采用数学回归分析方法，求出它们之间的数学表达式──数学回归直线方程，从而能定量地阐述两者之间的关系

So the death age of the youngster and infant can be inferred through the length of the tooth, that is, through repeatedly measuring 100 teeth, use math physical statistics methodology to infer dental length and age regression equation, then put the length of the tooth taken from the scene and the type into the equation, and the death age can be inferred.

因此 ，可以利用牙齿长度来推断青、幼年人的死亡年龄。即通过重复测量 10 0颗牙齿，利用数理统计的方法，推导出牙齿长度与年龄的回归方程。然后，将现场提取的孤立牙齿的长度值与种类代入该方程，便可推算出死亡年龄。

Through the description of the principles of estabeishing the regress-ion analysis model,carrying out the terts of significance and choosing theoptimal regression equation ,the correlative equation between human biolo-gical age and phybiological parameters has been derived and proved in thispaper.

通过建立回归分析模型、进行显著性检验、选择最优回归方程等过程的原理，找出并论证了人的生理年龄同血压和各种脉图之间的相互联系。

The author used to solve the linear matrix method to simulate the equations of quadratic regression equation work curve with only a few simple mathematical expressions for the second straight three coefficient regression equations, received the good effect.

作者用矩阵法求解线性方程组的方法来模拟工作曲线的二次回归方程，仅用几个简单的数学表达式就直接求得了二次回归方程的三系数，收到了很好的效果。

Based on data of per mu yield of spring-sown soybean and of cli-mate in Hengyang from 1975 to 1981,the tendency yields are estimatedfirst by the method of orthogonal polynomial regression,and then by theFisher's integral regression equation for the out-tendency yields andclimatic factors in this city.

依据1975～1981年衡阳市的气象资料和春大豆亩产量资料，首先用正交多项式回归方法估计了趋势产量，然后用费希尔积分回归模式和逐步回归方法计算出了该市气候因子和离趋势产量间的积分回归公式。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。