求解方程组中的问题 - 数学建模社区-数学中国

e11 == [d1][6 P( d( l% D$ B- w
d2], e21 == -2[d1][d2], e31 == -3 g[d1], e41 = -3 g[d2], e51 == % ]4 p; V+ e! x3 a
3*g^2 + [d1]^2 + [d2]^2 - 3*h^2,! m7 ^( y0 X4 u& j+ B5 G
e12 == [d2][4 f9 p8 ?. {' J' P' j
d3], e22 == -2[d2][d3], e32 == -3 g[d2], e42 = -3 g[d3], e52 == 4 Q* p7 m( I* N8 P
3*g^2 + [d2]^2 + [d3]^2 - 3*h^2,
. g+ A- C4 ` @! h
e13 == [d1][
- m( s, t0 {. \' ^1 D
d3], e23 == -2[d1][d3], e33 == -3 g[d3], e43 = -3 g[d1], e53 ==
% f9 X" c1 V8 P# G+ T# i. K
3*g^2 + [d3]^2 + [d1]^2 - 3*h^2,4 _, g0 |, ?! N' t- v' C; R! Q5 y! M
c11 == e11 - e31 - e41 + e51, c21 == -e11 - e31 + e41 + ) g: I! i! V6 Z- m
e51, c31 == -e11 + e31 - e41 + e51, c41 == 4*e21, c51 == 7 A% v& b% C: h; R7 c, X; B
e11 + e31 + e41 + e51,
9 J8 ?( F, ]2 H. H' Q) N5 o5 z
c12 == e12 - e32 - e42 + e52, c22 == -e12 - e32 + e42 +
( \& o* A( g) a& k+ z
e52, c32 == -e12 + e32 - e42 + e52, c42 == 4*e22, c52 == 4 ?; ^' a$ }6 G5 i7 T
e12 + e32 + e42 + e52,
5 k3 }/ n0 k" c. ^% R1 S
c13 == e13 - e33 - e43 + e53, c23 == -e13 - e33 + e43 + X$ p2 ^# o! n) y& T5 [# W/ O
e53, c33 == -e13 + e33 - e43 + e53, c43 == 4*e23, c53 ==
Y9 V0 s) {# U7 {
e13 + e33 + e43 + e53,8 H8 K9 Q* R4 C0 d+ z
Solve[{c11*[t1]^2*[t2]^2 + c21*[t1]^2 + c31*[t2]^2 + c41*[t1][t2] +
& K* p. i4 v. v& {1 d9 h
c51 == 0,
9 X" q$ T/ l6 p- z$ y7 I% Q L
c12*[t2]^2*[t3]^2 + c22*[t2]^2 + c32*[t3]^2 + c42*[t2][t3] + c52 ==
. M+ {9 k S3 Z7 w9 h8 e0 o
0, c13*[t1]^2*[t3]^2 + c23*[t3]^2 + c33*[t1]^2 + c43*[t1][t3] + * L' u& W- J$ J t
c53 == 0}, {[t1], [t2], [t3]}]

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