, . :
(4.1)
N - ; T - ; -; - ; m c- . k . , , k=Gc, G - , - . , k- . (4.1) 0 .
(4.1) :
. .
(4.1)
ρ=ρ(t)=-α(Τ(t)-Τ0); Ν=Ν0(t); Ci=Ci0(t); Τ=Τ0(t); (4.2)
(4.2)
(4.3)
(4.4)
(4.4)
,
(4.5)
(4.5) (4.3) , (4.1) .
(4.1) ( 1).
A=0.11;h1=0.07;h2=0.08;h3=0.04;h4=0.045;h5=0.05;h6=0.06;B=1;B1=0.01;B2=0.01;B3=0.01;B4=0.01;B5=0.01;B6=0.01;l=1;k=1;
m=1;c=1;
4.1.
. 4.1 , (4.1) .
.
. , . , , :
- scilab , .
- .
.
1. .. . ., , 1977. 296 .
2. ., - , . ., ., 1961; ., ., - , . ., ., 1967.
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3. . ., . ., , " ", 1967, . 22, . 2 (134) (.).
4. . ., . ., , 2 ., ., 1971.
5. . . . . 2-, . .: , 1980. 367 .
6. .. : , 1999. - 304 c.
1. .
A=0.11;h1=0.07;h2=0.08;h3=0.04;h4=0.045;h5=0.05;h6=0.06;B=1;B1=0.01;B2=0.01;B3=0.01;B4=0.01;B5=0.01;B6=0.01;l=1;k=1;
m=1;c=1;
function dx= fun (t, x)
dx(1)=A*x(2)*x(1)/l+x(3)*h1+x(4)*h2+x(5)*h3+x(6)*h4+x(7)*h5+
+x(8)*h6-B*x(1)/l;
dx(2)=(x(1)-k*x(2))/m/c;
dx(3)=x(1)*B1/l-h1*x(3);
dx(4)=x(1)*B2/l-h2*x(4);
dx(5)=x(1)*B3/l-h3*x(5);
dx(6)=x(1)*B4/l-h4*x(6);
dx(7)=x(1)*B5/l-h5*x(7);
dx(8)=x(1)*B6/l-h6*x(8);
Endfunction
t0=0; x0=[1;1;1;1;1;1;1;1]; T=0:0.1:100; x=ode(x0,t0,T, fun);
plot (T,x(1,:),T,x(2,:),T,x(3,:),T,x(4,:),T,x(5,:),T,x(6,:),T,x(7,:),T,x(8,:)); xgrid();