(4.7) (4.9) (1) (4.11) – (4.16) (4.19) 4.1 4.2 - 4.3 - () () 4.5 MATLAB (4.22) wij0ji wij 0ji , nr - EMBED Equation.DSMT4 bb0,b1,...,bm %ml A=[rot90(rot90(eye(n-1,n)))-fliplr(A)]%A C=[fliplr(b),zeros(1,n-m1)] %C(n) =A-B*C*V %X=X0′y=0t=T0 % % K4=*(X+h*K3)+B*R %K X=X+h*(K1+2*K2+2*K3+K4)/6 % y=[y,C*X] % t=[t,t(i)+h] % length() (2) MATLABconv() a=conv([1 0 0],conv([0.25 1],[0.25 1])) a= b=[2*k k] X0=[0 0 0 0] v=1n=4T0=0Tf=10h=0.25R=1 EXP4-1.M % EXP4-1.M Plot(t,y) % (4.11) (1) 4.12 ii ii CDs ABs (1) B Q DN×N N×R 4.14(4.28) a2b2c2d2 % hh0 % Lll1 %(l1) For k=l : m else W(Wij(k,l)(Wij(k,2))Wij(k,3) Nround((Tf-TO)(h*Ll) % for j1: L1 %Ll (- end % - () (4.33) (4.34) FG H (1) ABC ABC 1 KT 1 1 b-a 0 Kb 0 K FI(I)FIM(I)FIJ(I)FIC(I)FID(I)I 4.18 (2) (4.46) (4.47) 4.19 FIC(i)1FID(i)0 % if(D(i)0) %FID(i)D(i)B(i) else end FIC(i)=l FID(I)0 % if(D(i)0) %FIC(i)C(I)D(i)A(i)B(i) FID(i)=D(i)B(i) 4.* % Yzeros(n1)XYy0Ukzeros(n1)UbUk tT0 h*LlTfN=length(t) %N for klN-l for llL1 Ub=Uk % UkW*YW0*Y0 %UkUdot(UkUb)h %UkUf2*UkUb %Uf% XFI*XFIM.*UkFIJ.*Udot % YFIC*XFID.*Uf end % (3) () () else if(Ux