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i am getting not enough input arguments error for the below code

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nune pratyusha
nune pratyusha 2022-2-12
评论： Image Analyst 2022-2-12
function dx = m(t,x)
dx=zeros(4,1);
dx(1) = -(1/(8200*47*1e-9))*x(2);
dx(2) = (((x(3)-x(2))/2000) -(0.667e-3 + 0.029e-3*x(1).*x(1)*3.*x(2)))/6.8e-9;
dx(3) = ((x(2)-x(3))/2000 - x(4))/68e-9;
dx(4) = x(3)/18e-3;
[t,x] = ode15s(m,[0 50],[0 0.11 0.11 0]);
plot(x(:,2),x(:,3))
my error is like
Not enough input arguments.
Error in m (line 4)
dx(1) = -(1/(8200*47*1e-9))*x(2);
Error in untitled4 (line 3)
[t,x] = ode15s(m,[0 50],[0 0.11 0.11 0]);
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采纳的回答

DGM
DGM 2022-2-12
Ran in:
[t,x] = ode15s(@m,[0 50],[0 0.11 0.11 0]);
plot(x(:,2),x(:,3))
function dx = m(t,x)
dx=zeros(4,1);
dx(1) = -(1/(8200*47*1e-9))*x(2);
dx(2) = (((x(3)-x(2))/2000) -(0.667e-3 + 0.029e-3*x(1).*x(1)*3.*x(2)))/6.8e-9;
dx(3) = ((x(2)-x(3))/2000 - x(4))/68e-9;
dx(4) = x(3)/18e-3;
end

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