Solllvinf first order dffnt eqn

Hello, I have to solve a set of three equations:

I have to solve these using ode45. I tried solving it but my code faced a few errors.

But I am getting a few errors I do not understand.

[Torsten]

Remove the line

syms t y

Answer 1

[Steven Lord]

If you're going to put spaces around the operators separating terms in the matrix you're creating in example, be consistent.

y0 = [1 -1 0];
tspan = [0 pi/2];
[t,y] = ode45(@example, tspan, y0);
figure 
plot(t,y(:,1)), hold on
plot(t,y(:,2)), hold on
plot(t,y(:,3)), hold off

function yp = example(t,y)
yp=[2*y(1) + y(2) + 5*y(3) + exp(-2*t);
-3*y(1) - 2*y(2) - 8*y(3) - cos(3*t);
3*y(1) + 3*y(2) + 2*y(3) + cos(3*t)];
end

[Likhith Ayinala]

Okay Thank you so much !!!