how to call function from one m file to another m file?

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Meenakshi Tripathi
Meenakshi Tripathi el 5 de Abr. de 2021
Comentada: Rik el 5 de Abr. de 2021
function homework
clc
clear all
A = [0 1;0 0];
B = [0;1];
C = [1 0];
L = lmimeena(A,C);
tspan = [0:.1:10];
x0 = [1 0];
[~,x] = ode45(@basic,tspan,x0)
y = x*C'
function dxdt = basic(t,x)
A = [0 1;0 0];
B = [0;1];
dxdt = A*x+B*[t^2]
end
x_cap(1,:) = [10 11];
x_cap1 = x_cap(1,:);
x_cap2 = x_cap1
for i = 1:length(y)-1;
t_temp = ((i-1)/10):.05:(i/10);
[~,x_cap] = ode45(@observer,t_temp,x_cap(end,:))
x_cap1 = [x_cap1;x_cap(end,:)]
x_cap2=[x_cap2;x_cap(2,:);x_cap(end,:)]
end
function dx_capdt = observer(t,x_cap);
dx_capdt=(A-L*C)*x_cap+L*[(y(i,:)+y(i+1,:))/2]'+B*[t^2];
end
e=x-x_cap1;
%%%%%%%%%%%%%%%%%%%%%%%%%%
function lmimeena(A,C)
clear all
clc
A = [0 1;0 0];
C = [1 0];
setlmis([])
P = lmivar(1,[size(A,1) 1]);
K = lmivar(2,[2 1]);
lmiterm([1 1 1 P],1,A,'s');
lmiterm([1 1 1 K],-1,C);
lmiterm([1 1 2 0],1);
lmiterm([1 2 2 P],-1,1);
LMISYS = getlmis;
[tmin,Psol]=feasp(LMISYS);
[tmin,Ksol]=feasp(LMISYS);
P = dec2mat(LMISYS,Psol,P)
K = dec2mat(LMISYS,Ksol,K)
L = inv(P)*K
end
I am unable to call function lmimeena to function homework.
the error i am getting is
Error using lmimeena
Too many output arguments.
Error in homework (line 7)
L = lmimeena(A,C)
  1 comentario
Rik
Rik el 5 de Abr. de 2021
You should avoid clear in any function, and clear all should exist in only 1 function in your entire code base as part as a script that essentially restarts Matlab.
You should also use ; to supres outputs and use functions like disp and fprintf to show variable content. Code that doesn't print anything to the command window should not contain clc.

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Respuesta aceptada

Matt J
Matt J el 5 de Abr. de 2021
Editada: Matt J el 5 de Abr. de 2021
lmimeena must be told what to return in the declaration line,
function L=lmimeena(A,C)

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