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Ìú³æ (СÓÐÃûÆø)

[ÇóÖú] matlabÖÐÔõô¸øËÄÌõÇúÏß×÷³öͼÀý°¡£¿Çó´óÉñÖ¸µ¼ ÒÑÓÐ1È˲ÎÓë

clear all£» clc
disp('²åÖµÇóȡƽ»¬ÇúÏߺóµÄÊýÖµ' )
t = [5 10 15 20 30 40 60 80 120] ;
A = [29.84 40.01 46.71 53.87 63.32 67.01 67.33 67.54 67.87];

knots = 3; K = 3 ;          % Èý´ÎBÑùÌõ
sp = spap2(knots,K,t,A);
pp = fnder(sp);         % ¼ÆËãBÑùÌõº¯ÊýµÄµ¼º¯Êý
dAdt = fnval(pp,t);    % ¼ÆËãt´¦µÄµ¼º¯ÊýÖµ
rAm = dAdt;

% »æÖÆÅ¨¶ÈÄâºÏÇúÏß
ti = linspace(t(1),t(end),200);
Ai = fnval(sp,ti);
plot(t,A,'ro',ti,Ai,'b:')
hold on
t = [5 10 15 20 30 40 60 80 120] ;
B = [36.32 48.21 55.81 62.21 69.81 72.39 72.72 72.91 73.92];
knots = 3; K = 3 ;          % Èý´ÎBÑùÌõ
sp = spap2(knots,K,t,B);
pp = fnder(sp);         % ¼ÆËãBÑùÌõº¯ÊýµÄµ¼º¯Êý
dBdt = fnval(pp,t);    % ¼ÆËãt´¦µÄµ¼º¯ÊýÖµ
rBm = dBdt;
ti = linspace(t(1),t(end),200);
Bi = fnval(sp,ti);
plot(t,B,'rx',ti,Bi,'b:')
hold on
t = [5 10 15 20 30 40 60 80 120] ;
C = [41.91 55.62 64.13 70.46 77.64 79.80 80.04 80.57 83.92];

knots = 3; K = 3 ;          % Èý´ÎBÑùÌõ
sp = spap2(knots,K,t,C);
pp = fnder(sp);         % ¼ÆËãBÑùÌõº¯ÊýµÄµ¼º¯Êý
dCdt = fnval(pp,t);    % ¼ÆËãt´¦µÄµ¼º¯ÊýÖµ
rCm = dCdt;

% »æÖÆÅ¨¶ÈÄâºÏÇúÏß
ti = linspace(t(1),t(end),200);
Ci = fnval(sp,ti);
plot(t,C,'rs',ti,Ci,'b:')
hold on
t = [5 10 15 20 30 40 60 80 120] ;
D = [42.16 62.13 72.91 79.87 84.21 85.61 85.84 86.21 86.22];

knots = 3; K = 3 ;          % Èý´ÎBÑùÌõ
sp = spap2(knots,K,t,D);
pp = fnder(sp);         % ¼ÆËãBÑùÌõº¯ÊýµÄµ¼º¯Êý
dDdt = fnval(pp,t);    % ¼ÆËãt´¦µÄµ¼º¯ÊýÖµ
rDm = dDdt;

% »æÖÆÅ¨¶ÈÄâºÏÇúÏß
ti = linspace(t(1),t(end),200);
Di = fnval(sp,ti);
plot(t,D,'rv',ti,Di,'b:')
Xlabel('t')
ylabel('X_A')
legend(o,'100%',x,'90%',s,'80%',v,'70%')
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