1) simultaneous equation method of nonlinear measurement error
非线性度量误差联立方程组
2) simultaneous linear equations
联立线性方程组
1.
This paper presents ordinary least squares estimation, indirect least squares estimation, two-stage least squares estimation, generalized least squares estimation and three-stage least squares estimation of structural parameters for simultaneous linear equations model.
介绍了联立线性方程组模型可识别时结构参数矩阵的几种估计:普通最小二乘估计、间接最小二乘估计、两步最小二乘估计、广义最小二乘估计以及三步最小二乘估计,对这5种参数估计进行了随机模拟,表明这些估计中以广义最小二乘估计和三步最小二乘估计为最好。
3) higher order nonlinear neutral system of difference equations
高阶非线性中立型差分方程组
1.
Multiple positive solutions for a class of higher order nonlinear neutral system of difference equations are studied in this paper.
本文研究了一类高阶非线性中立型差分方程组多正解的存在性。
4) nonlinear neutral difference equations
非线性中立型差分方程
1.
The eventually positive solution of a class of even order nonlinear neutral difference equations was concerned.
利用Banach空间的Knaster不动点定理,证明了一类具有可变时滞的偶数阶非线性中立型差分方程最终正解的存在条件和与之相应的差分不等式最终正解的存在条件等价。
2.
Consider the odd order nonlinear neutral difference equationsΔ~m(x_n-px_(n-l))+q_nf(x_(n-k_n))=0,n=0,1,2,….
考虑具有可变时滞的奇数阶非线性中立型差分方程Δm(xn-pxn-l)+qnf(xn-kn)=0,n=0,1,2,…。
5) nonlinear neutral difference equation
非线性中立型差分方程
1.
Second order nonlinear neutral difference equation Δ(a(n)Δ(x(n)+p(n)x(n-τ))+f(n,x(σ(n)))=0is discussed.
研究了二阶非线性中立型差分方程Δ(a(n)Δ(x(n)+p(n)x(n-τ)))+f(n,x(σ(n)))=0的非振动性。
2.
Consider the nonlinear neutral difference equation:We establish several new sufficient condition for the oscillation of all solutions and the existence of a nonosicillatory solution when pn - 1 is allowed to oscilate and the usual divergent condition(n, c) = for any c>0 is not satisfied.
考虑下列非线性中立型差分方程 △(x_n-p_nx_(n-k))+f(n,x_(n-1))=0, n=0,1,2…… 建立了当P_n-1振动且通常的发散条件sum from n=0 to ∝(f(n,c))=∝对c>0不成立时,上述方程所有解振动和非振动的解存在的几个新的充分性条件。
3.
We consider the nonlinear neutral difference equationΔ(x n-p nx n-k )+q nf(x n-l )=0(*)where p n oscillates about 1.
考虑一类非线性中立型差分方程Δ(xn - pnxn- k) + qnf(xn- l) = 0 ()我们得到了其所有解振动的几个充分条件。
6) nonlinear neutral system
非线性中立型方程组
补充资料:联立方程
1.由两个以上的方程并列起来所得的新方程﹐其中用字母x﹑y等表示的未知数受每一个方程的制约。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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