MATLAB: What is the problem in this following program? Why the function isn’t working

functionmatlab function

function [area] = tri_area(b,h)

tri_area(b,h)=(0.5)*(b)*(h)

area = tri_area(b,h)

end

Best Answer

Define it like this

function [area] = tri_area(b,h)
area = (0.5)*(b)*(h);
end

Read about MATLAB functions here: https://www.mathworks.com/help/matlab/ref/function.html

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If you are using a single file then the script has to be before the function. Also, you had too many initial conditions.

t = (0:0.1:10);
condInicio = [0;0];
[T,Y] = ode45(@funcionVel,t,condInicio);
x1 = Y(:,1);
plot(t,x1)
function dxdt = funcionVel(t,x)
M = 1200;
r = 0.25;
c = 20;
T0 = 1000;
t0 = 10;
T = T0*(1 - exp(-t/t0));
dxdt(1) = x(2);
dxdt(2) = T/(M*r) - c*x(2);
dxdt = dxdt';
end

Best Answer

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