其中 ∆ 表一阶差分运算因子(first-difference operator), β 0 为漂浮项, t 为时间趋势, q 为落迟期数, ε t 为定态的残差项,其期望值为零且变异数固定。
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first difference operator [数] 一阶差分算子 ; 算元
In this paper, by estimates of spectral of an integral operator, the authors give a theorem on the existence of solutions for first order differential difference equations with boundary condition.
摘要通过对积分算子谱的估计，作者给出了一阶线性微分差分方程在边值条件下解的存在唯一性定理。
In this paper, by estimates of spectral of an integral operator, the authors give a theorem on the existence of solutions for first order differential difference equations with boundary condition.
通过对积分算子谱的估计，作者给出了一阶线性微分差分方程在边值条件下解的存在唯一性定理。
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