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Hello, i must say that im not really good programing with matlab, i have this problem (i´ll explain it very fast):
1º I made a function that give me a vector made of real numbers i(1,6). 2º With that vector i, i would like to build and solve the next system:
f(1)= x(1)*x(2)*x(3)-i(1); f(2)= x(1)*x(6)*x(3)-i(2); f(3)= x(5)*x(2)*x(3)-i(3); f(4)= x(5)*x(6)*x(3)-i(4); f(5)= x(4)*x(2)*x(3)-i(5); f(6)= x(4)*x(6)*x(3)-i(6);
For doing it, i tried the suggestion in this video:
And if i do it, giving constant values to i (instead of using the vector i), i can solve the system, but when i introduce i, matlab says: undefined variable i... and several more errors.
I hope that everybody can understand what i mean, and i would be really gratefull if you can help me with it. Thanks you very much!
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fsolve will only pass in a single argument, so i will be undefined. Assuming you want to solve this equation for fixed values of i (say i = ibar) you can use an anonymous function like this:
ibar = (1:6); ecuaciones_con_i = @(x) ecuaciones(x, ibar);
Then pass ecuaciones_con_i to fsolve (without a @, since it is already a function handle):
xbar = fsolve(ecuaciones_con_i, x0);