Unbalanced or unexpected parenthesis or bracket.

Please help, I am trying to solve a system of equations and I keep getting error messages. I am copy and pasting the exact code that was given to me as an example but it is still not working. Here is the code:

function f6 =nle(x)
f6(1) =x(1)^2+x(2)^2-5;
f6(2)=x(1)*x(2)-2 ;
x0 = [1 1];                                            % Make a starting guess at the solution
options=optimset('Display','iter');           % Option to display outputx 
x= fsolve('nle',x0;options)                     % Call solver

Answer 1

[Walter Roberson]

You need to store

function f6 =nle(x)
f6(1) =x(1)^2+x(2)^2-5;
f6(2)=x(1)*x(2)-2 ;

in a file nle.m

and you would store

x0 = [1 1];                                            % Make a starting guess at the solution
options=optimset('Display','iter');           % Option to display outputx 
x= fsolve('nle',x0, options)                     % Call solver

in a different file and execute it. These lines cannot be in the same file as the above.

The error in your code is that you have

x= fsolve('nle',x0;options)                     % Call solver

which has a semi-colon where it needs a comma.