MATLAB: Error Message: Function definitions are not permitted in this context

errorfunctionnot permitted

function dx = rigid(t,x); dx = zeros(3,1); dx(1) = 3x(1)-5x(2)+7(3)-5; dx(2) = 2x(2)+3x(3)-3; dx(3) = -5x(1)+4x(3)+1;

    % The solution on the interval [0,10] with a vector [0 1 1].
    [t,x] = ode45(@rigid,[0 10],[0 1 1]);
end

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MATLAB: Is there a command to plot unit vectors in 3D

E.g.,

point1 = [1,0,0];
point2 = [0,1,0];
point3 = [0 0 1];
origin = [0,0,0];
figure;hold on;
plot3([origin(1) point1(1)],[origin(2) point1(2)],[origin(3) point1(3)],'LineWidth',5);
plot3([origin(1) point2(1)],[origin(2) point2(2)],[origin(3) point2(3)],'LineWidth',5);
plot3([origin(1) point3(1)],[origin(2) point3(2)],[origin(3) point3(3)],'LineWidth',5);
grid on;
xlabel('X');
ylabel('Y');
zlabel('Z');
set(gca,'CameraPosition',[2 2 2]);

MATLAB: Function sf =aaa(u) | Error: Function definitions are not permitted in this context.

You are only allowed to have a function statement (except for anonymous and inline functions) inside another function file so:

function x = fun(y)
        .
        .
    function sf =aaa(u)
        .
        .
    end
end

is permitted, but

first line of my script file
          .
          .
      function sf =aaa(u)
          .
          .
      end

is not.

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Related Solutions

MATLAB: Is there a command to plot unit vectors in 3D

MATLAB: Function sf =aaa(u) | Error: Function definitions are not permitted in this context.

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