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how to solve 3 equations with 2 unknowns in matlab?

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vinod kumar govindu
vinod kumar govindu el 20 de En. de 2017
Comentada: Andrei Bobrov el 20 de En. de 2017
eqn1=F*125.9-G*355.4==12;
eqn2=-F*251.8-G*125.9==16;
eqn3=F*125.9+G*355.4==13;
i want to find out values of F and G from above equations. Is there any commands in matlab for solving this equations?. Help me to solve this in matlab?

Respuesta aceptada

Torsten
Torsten el 20 de En. de 2017
Of course you won't get a solution that exactly solves all three equations.
But you will get a "best" solution in the least-squares sense if you set
A=[125.9 -355.4;-251.8 -125.9; 125.9 355.4];
b=[12; 16; 13];
[F; G]=A\b;
Best wishes
Torsten.
  2 comentarios
vinod kumar govindu
vinod kumar govindu el 20 de En. de 2017
Thank you for your response torsten. But it was showing error like
??? Error using ==> mldivide Too many output arguments.
Error in ==> G5 at 51
[F,G]=A\B;
Andrei Bobrov
Andrei Bobrov el 20 de En. de 2017
FG = A\b;
F = FG(1);
G = FG(2);

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