syms th1 th2 a b th3 c d e0 s. R6 x8 {! k7 @
eq1=c*cos(th1)+d*cos(th2)==a+e*cos(th3); 2 Y+ C( r% i. R g0 yeq2=c*sin(th1)+d*sin(th2)+b==e*sin(th3);+ d! M7 L% G$ ]! d* Z; b1 p
[th2,th3]=solve(eq1,eq2,[th2,th3]);) H6 }. K+ S I7 w1 _( c% b& l q
警告: Unable to find explicit solution. For options, see help. % M3 w6 z. n3 ]4 k3 j' w* z. l
> In solve (line 317)3 e3 `1 a. c5 ^" @+ P; n- O4 L# k
/1 
发表于 2020-7-15 14:21
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