符号方程的求解 Symbolic equation solution
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符号代数方程组的求解 symbolic algebra equations set solution
简单的方程求解软件 Simple Solver
在以上研究的基础上，提出了该递减方程的求解方法。
Based on the above study, the solution to the decline equation was presented.
微分模型没有模型误差，微分方程的求解存在舍入误差。
The differential model not has model error. Solving the differential equation has rounding error.
本文主要探讨可化为常系数的线性微分方程的求解问题。
This paper mainly deals with the solution to the linear differential equation that can be changed into the one with constant coefficients.
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