Matlab - Resolucion de un sistema de 3 ecuaciones con 3 incognitas

clear

M=7.32;  c=0.2; alfa=5; a=0.04; b=0.04;

H=0.15; D=0.25; m=15;

alfa=alfa*(pi/180);

F=m*9.8;

syms d b1 g1

equ1=M==(F*cos(b1-alfa)*((c-D-b)*sin(g1))+F*cos(g1+alfa)*((D-a)*sin(b1)))/(sin(b1-alfa)*(-cos(g1+alfa))-sin(g1+alfa)*cos(b1-alfa));

equ2=b1==atan(((H-c*sin(alfa))+b*sin(alfa))/(d-0.25+(c*cos(alfa)/2)-a*cos(alfa)))-alfa;

equ3=g1==atan((H-b*sin(alfa))/(0.5-d-0.25+(c*cos(alfa)/2)-b*cos(alfa)))+alfa;

[d,b1,g1]=solve(equ1,equ2,equ3,d,b1,g1)

>> sistemas_de_ecuaciones

Warning: Cannot solve symbolically. Returning a numeric approximation instead.

> In solve (line 305)

  In sistemas_de_ecuaciones (line 10)

d =

-675317761203635906421484994096955.0

b1 =

0.60954722457311910196265066862062

g1 =

-0.78889093050870677400187120096745