X'=A(t)X1(t)+F(t),c1X'=A(t)c1X1(t)+c1F(t)
X'=A(t)X2(t)+F(t),c2X'=A(t)c2X1(t)+c2F(t)
......
X'=A(t)X(n+1)(t)+F(t),c(n+1)X'=A(t)c(n+1)X(n+1)(t)+c(n+1)F(t)
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ï¼c1+c2+....+c(n+1))X'=A(t)[c1X1+c2X2+...+c(n+1)X(n+1)]+ï¼c1+c2+....+c(n+1))F(t)
X'=A(t)[c1X1+c2X2+...+c(n+1)X(n+1)]+F(t)
X=c1X1+c2X2+...+c(n+1)X(n+1)æ¯è§£ï¼
å
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