查询词典 polynomial

As an application of our method, we solve the problems of center conditions and bifurcation of limit cycles at infinity for a quintic polynomial system.

作为应用，我们在复域中详细地求出了一类五次多项式系统的原点成为中心、拟等时中心的条件。

We introduce a automorphic systemLet G = gh, then (2.4) implies a polynomial which each term in the expression is a product of u-dependent function and x-dependent function.

在第二章中我们主要利用群分支法来求解非线性扩散方程(2.4)的分离变量解。

Any column of the matrix can be permuted randomly, and the permutation between columns should satisfy the form which is the automorphism group of the binary cyclic Turbo code generated by the feedback polynomial.

该矩阵的任意一列可采用随机交织方式，而列间交织方式必须是按由反馈多项式生成的循环码字集的自同构群构成。

The model was composed of the autoregression part and the polynomial distributed lag part.

建立的模型由两部分组成：陀螺输出的自回归项和温度梯度的多项式分布滞后项。

First we use stepwise regression and stepwise autoregression to establish polynomial trend-autoregression error model.

首先通过逐步回归与逐步自回归，建立太阳黑子数的多项式趋势-自回归校正模型。

Firstly, the average line of the acceleration is fitted by cubic polynomial. Then, the long period baseline waving problem, which is still existed in the integral velocity and displacement after the first optimization, is secondly optimized by the recursive method of SDOF system.

首先以3次多项式来拟合加速度的均值线；再对一次优化后的积分速度、位移时程仍存在的长周期基线波动问题，运用单自由度地震动力反应递归法进行二次优化。

Backdoor is one of these hidden structures,which makes the remaining questions can be solved in polynomial time.

隐蔽集作为典型的隐藏结构之一，能使剩下的问题在多项式时间内求解。

That the value is represented as a polynomial in the base of the number system.

値在数字系统中被以多项是的方式表现出来。

Based on the linear MIMO model of Volterra system for blind identification, the blind identification method of Volterra system based on the basis of the noise polynomial vector space is presented.

基于 Volterra 系统盲辨识的线性 MIMO 模型，提出了基于噪声多项式向量空间基的 Volterra 系统的盲辨识方法。

Under weighted squared error loss, it is showed that a least favorable prior, when estimators are restricted to be polynomials of X with degree no more than k, exists and has at most (k+2)-point support, and its Bayes solution, under above restriction, is a k/sup th/ polynomial minimax estimator.

是观测值X的期望值，在X的多项式函数中，於加权平方误差损失之下，本文考虑使其最大风险最小化的多项式大中取小估计式。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。