求解方程组中的问题 - 数学建模社区-数学中国

e11 == [d1][
4 @/ N( J& n1 E5 O
d2], e21 == -2[d1][d2], e31 == -3 g[d1], e41 = -3 g[d2], e51 == 6 T0 g, g" U$ H2 n2 C
3*g^2 + [d1]^2 + [d2]^2 - 3*h^2,% _$ o1 W2 m( @& g* `' }
e12 == [d2][& S: z, d) \- G- m* o6 m
d3], e22 == -2[d2][d3], e32 == -3 g[d2], e42 = -3 g[d3], e52 == 9 u9 r9 ?2 N. {# r2 a
3*g^2 + [d2]^2 + [d3]^2 - 3*h^2,
* \, @% O( y; |! [( T0 J4 i
e13 == [d1][
5 p5 c2 }: n1 v9 p {: ^; N& H
d3], e23 == -2[d1][d3], e33 == -3 g[d3], e43 = -3 g[d1], e53 ==
}! I; `1 o4 H$ ]
3*g^2 + [d3]^2 + [d1]^2 - 3*h^2,8 |0 u0 r( L# W. }
c11 == e11 - e31 - e41 + e51, c21 == -e11 - e31 + e41 +
! o, T+ k# m. Q/ @: g: @2 \
e51, c31 == -e11 + e31 - e41 + e51, c41 == 4*e21, c51 == 1 }, X9 t- X, N* Z- B' O8 |- h
e11 + e31 + e41 + e51,& e9 y5 a) x3 x7 c
c12 == e12 - e32 - e42 + e52, c22 == -e12 - e32 + e42 +
. f' c# \+ ^, \: d% q, h6 g
e52, c32 == -e12 + e32 - e42 + e52, c42 == 4*e22, c52 == & |3 Z0 p& n; C; e. p+ J0 f
e12 + e32 + e42 + e52,
1 d# }) `3 ` x' C4 \) r! Y
c13 == e13 - e33 - e43 + e53, c23 == -e13 - e33 + e43 +
2 P3 L! o9 c. K8 x& N
e53, c33 == -e13 + e33 - e43 + e53, c43 == 4*e23, c53 == + t7 y! a R3 I; i; D) |1 t
e13 + e33 + e43 + e53,
7 a, D& f* t" x# e" g6 ~
Solve[{c11*[t1]^2*[t2]^2 + c21*[t1]^2 + c31*[t2]^2 + c41*[t1][t2] + , J0 ^! ~; [ m/ E1 E# ?# h
c51 == 0, , \1 I+ M) \& F/ R7 U
c12*[t2]^2*[t3]^2 + c22*[t2]^2 + c32*[t3]^2 + c42*[t2][t3] + c52 == ( b' O% F3 g+ z' Q0 q) d) d
0, c13*[t1]^2*[t3]^2 + c23*[t3]^2 + c33*[t1]^2 + c43*[t1][t3] +
: |$ J! @; L& A7 @" Q
c53 == 0}, {[t1], [t2], [t3]}]

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