On the basis of the solution identification theorem in linear equations, a method is presented to ascertain whether there exists all-nonzero solutions to an inhomogeneous linear equation.
在线性方程组有解判别定理的基础上，给出了一个判定非齐次线性方程组存在全非零解的方法。
This paper deals with the formula of particular solution to 2-order linear inhomogeneous differential equation with constant coefficients.
本文给出了一个二阶常系数线性非齐次微分方程的特解公式。
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