PDF(2747 KB)
PDF(2747 KB)
PDF(2747 KB)
微分方程的求解公式(Ⅱ)——高阶变系数线性偏微分方程的分离变量解
FORMULAS FOR SOLUTIONS OF DIFFERENTIAL EQUATIONS Ⅱ——FORMULAS FOR SOLUTIONS OF SEPARABLE VARIABLES OF HIGHER-ORDER LINEAR PARTIAL DIFFERENTIAL EQUATIONS WITH VARIABLE COEFFICIENTS
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