[Error: Function definition not supported in this context. Create functions in code file

clc; clear;

% dy = zeros(2,1); % y(1) = y ; y(2) = dy

% y = y(1);

% dy(1) = y(2);

% dy(2) = t- 4*y(2)-4*y(1);

f = @(t,y) [y(2) ; t- 4*y(2)-4*y(1)];

%-----------------------------------------

% To slove the BVP by the shooting method.

x = 0.5;

x1 = fzero(F,x);

%-----------------------------------------

% The problem are here ! ! ! I have a problem that I have been thinking about for a long time and still can't solve.

% To slove the ODE by ode45.

function F = solver(x);

options = odeset ('RelTol', 1e-8, 'AbsTol',[1e-8, 1e-8]);

[t,y] = ode45(f, [0 1], [1 x], options);

F = y(length(t),1)-1;

end

%----------------------------------------

figure(1);

plot(t,y(:,1));

Answer 1

[Voss]

To get past that particular error, move all the function definitions to the bottom of the script.

I've done this for the m-file script uploaded with the question, and the updated script is attached here.

[LAI TING-JUI]

Thank's a lot. I had already sloved the problem.