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% Example 2.9 syms c e f r m n g1 g2 g3 g4 g5 g6 h1 h2 eq1=e-g1*r+h1*f; eq2=-g2*e+f; eq3=m-g3*f-g6*r+h2*n; eq4=n-g4*m; eq5=c-g5*n s=solve(eq1,eq2,eq3,eq4,eq5,e,c,f,m,n) s.c
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