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线性非齐次方程 - Welcome to Math Dept. in ECNU...

C (x) ( ) ( )exp - ( )d , x 0 ¸ ¸ ¹ · ¨ ¨ © § c ³ x C x q x p s s 是线性非齐次方程(2.18)的解, 其中 是待定函数. 代入方程(2.18)化简后有 (2.20) x ³ ³ ¸ ¸ ¹ · ¨ ¨ © § x x u x

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