WRITE "Cholesterol2"$

% B_ IS THE VARIABLE VECTOR 
B_:={x1,x2,u1,y1}$

FOR EACH EL_ IN B_ DO DEPEND EL_,T$

%B1_ IS THE UNKNOWN PARAMETER VECTOR
B1_:={k02,k12,k21,V1}$

%NUMBER OF STATES 
NX_:=2$
%NUMBER OF INPUTS 
NU_:=1$
%NUMBER OF OUTPUTS 
NY_:=1$

%MODEL EQUATIONS
C_:={df(x1,t)=k12*x2-(1+k21)*x1+u1,
     df(x2,t)=k21*x1-(k02+k12)*x2,
     y1=x1/V1}$

SEED_:=65$
DAISY()$

END$

