推

In recurrence rela-tion that means recurrence relation formula is the solution of Dn,that is

给出一个用递推关系式计算n阶行列式的一个讨论，即递推关系式是(pi ∈C，i=1，2，3)(n≥4)的情况下的的计算方法。

The author studied the formula of the sum of natural number power, and got a recurrence formula of the coefficient about the sum of natural number′s power, it was better than the other formulas that had been obtained.

研究了自然数方幂和的表示公式，给出了其系数的一个递推关系式，利用递推公式很容易得到幂和的各项系数，为计算机解题提供了依据。

In this paper,a new algorithm is given by means of the complexification of the knots,i.e. the node in the plane is considered as a complex point,the vector as a complex vector,and then based on the construction of vector valued Thiele type rational interpolants and the backward three term recurrence relation for vector valued continued fractions,the recursive algorithm is obtained by appropriate transformation.

文章利用插值型值点复数化的方法讨论并给出了二元向量值有理插值的一种新算法，即把平面上的插值结点视为一个复数，所对应的向量视为一个复向量，使用一元Thiele型向量值有理插值公式的构造方法和向量连分式的向后三项递推关系式以及适当的变换，最后导出了这种递推算法。

One is with the Recursion of Observation Equation Numbers, the other is to derive the EMBET Expressions in the Processing of Trajectory Measurement Data with the Recursion of Equation Parameter Numbers.

一类方法是随着观测方程个数的递推；另一类方法是随着方程参数个数的递推，它能够推导出关于外弹道测量数据处理的"最佳弹道估计"法的表达式。

Firstly, mobile model and observed model of target, recursion equation set of speed filter was founded, and target speed model and virtual measure equations, recursion and modifying equation set of acceleration filter were established.

该算法先建立目标运动和观测模型、速度滤波器递推方程组，再建立加速度滤波器、目标速度模型和虚拟测量方程、加速度滤波器递推和修正方程组。

The FDTD formulations of dispersive medium are deduced. Using shift operator method, the recursive relation for 〓 and 〓 available for FDTD computation of plasma coating is obtained.

推导了色散介质FDTD的递推公式，给出了时域计算中电位移矢量〓和电场强度〓之间关系的移位算子法，并用该方法得到了本构关系在离散时域的递推关系。

It is concluded that the order number determines the precision of temperature extrapolation method, and it can be controlled when the quadratic sum of residual error between the opposite solving and the original measuring is minimum. For the specific surface temperature curve, it is derived with the temperature on the site 0.0129cm.

分析结果表明，阶数决定著外推测试的结果以及结果的精度，阶数选取不当甚至会出现错误的外推测试结果，但采用反面求解求得的拟合曲线与实测得的原值具有最小的剩余误差平方和，可以有效地抑制其影响。

This paper infer a series of recursive equation based on lease square estimation in order to reduce computing amount, include recurrence equation of regression coefficient, total dispersion square sum, residual square sum, regression square sum etc.

为了减少计算量，本文推导了基于最小二乘估计的一系列递推公式，包括回归系数、总离差平方和、残差平方和、回归平方和等的递推公式。

One is local entropy difference image matching parallel algorithm based on LS MPP, and the other one is local entropy difference image blocking matching parallel algorithm which is designed and realized by strategy combined folding sum, overlay windows mapping, with recurrence calculation column sum and row sum.

一种是基于LS MPP的局部熵差图象匹配并行算法，另一种是综合运用折叠求和，叠加窗口映射，递推求列和与递推求行和策略设计并实现的局部熵差图象分块匹配并行算法。

Results show that , be compared with the traditional meshing scheme of sabot, after adopting the new scheme, the stress of the dangerous tooth surface of back push sabot can decrease at least 30% and at least 13% of the front push sabot.

结果表明，与传统弹托的啮合方式比较，采用新的啮合方案后，后推式弹托危险齿根面的最大等效应力值减少了30%以上，前推式弹托危险齿根面的最大等效应力减小了13%以上。

In the United States, chronic alcoholism and hepatitis C are the most common ones.

在美国，慢性酒精中毒，肝炎是最常见的。

If you have any questions, you can contact me anytime.

如果有任何问题，你可以随时联系我。