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dCAdt = -k0 * CA;           
dCBdt = k1 *CA - k2*CB+k3CC;  dCCdt = k2 *CA + k2*CB- k3CC;  k1+k2=2.3; k3+k4=5

ÁíÒ»ÖÖ˼·ÊǶÔCA,CB, CCÏȽøÐÐÈ¥¾í»ýµÄ²Ù×÷¡£Ä¿Ç°ÓÖ±»È¥¾í»ýµÄÎÊÌâÀ§×¡ÁË¡£

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²½Öè1. ³É¹¦
ÓÃÒ»¸öÖ¸ÊýË¥¼õº¯ÊýEÓëÒ»¸ö¸ß˹º¯ÊýG½øÐоí»ý£¬µÃµ½Ä¿±êº¯Êý F1=conv(E,G).
È»ºó·´¾í»ý¡¾q,r¡¿=deconv(F1,G)Ò²¿ÉÒÔ˳ÀûµÃµ½Ö¸Êýº¯ÊýE£»

²½Öè2. ʧ°Ü
Ä¿±êº¯ÊýF2²ÉÓýâÎö·½Ê½»ñµÃ£º ͬÑùÊÇÓÃEºÍG½øÐоí»ý¡£µ«ÊÇÆæ¹ÖµÄÊÇ£¬F2ºÍF1ÔÚxÖµ½ÏСµÄλÖò¢²»Öغϡ£Õâ¸ö¸Ð¾õºÜÆæ¹Ö£¡Ô­ÒòÒ²²»ÖªµÀ¡£
È»ºó½øÐз´¾í»ý¡¾q,r¡¿=deconv(F2,G)£¬µÃµ½µÄq¾¹È»ÓëÔ­À´µÄF2·Ç³£ÏàËÆ£¬½öÊÇÔÚXÖáÉϽøÐÐÁËÒÆ¶¯¡£

²½Öè3.ʧ°Ü
¶ÔʵÑéÊý¾Ý½øÐÐÈ¥¾í»ý²Ù×÷deconv£¬·¢ÏÖ¾ùÊÇÎÞ·¨ÊµÏÖ»ñµÃÕý³£µÄ½á¹û¡£

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clc
clear all

dx=0.001;
xx=-0.5:dx:10;
xt=0.0:dx:7;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  exponential decay
k1=1/0.179;
PY= (exp(-k1.*(xx))) ;
size(PY)
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  gaussian
c=0.0857/2.355;
xc=+0.0233;  
a=1/sqrt(2*pi)/c;
GS_Y = a.*exp(-1.*(xt-xc).*(xt-xc)/2/c/c);
size(GS_Y);
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  convolution with E decay and gaussian
x_GS = (xx(1)+xt(1)):dx: ((length(xx)+length(xt)-2)*dx+(xx(1)+xt(1)));
conv_Y = conv(PY,GS_Y); Max_Y = max(abs(conv_Y));  conv_Y = (conv_Y) / Max_Y;      
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  convolution with equation,
X_data = -0.5:dx:10;
KIT_parameters_PRE        =[ 1;       0.0857;    0;            xc; 0.179];

for II=1:length(X_data)
     YY(II) =  KIT_parameters_PRE(3)+KIT_parameters_PRE(1)*(1-erf(-(1.6651/KIT_parameters_PRE(2)).*(X_data(II)-KIT_parameters_PRE(4))+(1.0/KIT_parameters_PRE(5))/(2*(1.6651/KIT_parameters_PRE(2))))).*exp(-(1.0/KIT_parameters_PRE(5)).*(X_data(II)-KIT_parameters_PRE(4))+(1.0/KIT_parameters_PRE(5)).*(1.0/KIT_parameters_PRE(5))./(4*(1.6651/KIT_parameters_PRE(2)).*(1.6651/KIT_parameters_PRE(2))));
end
MAX_YY = max(YY); YY=YY/MAX_YY;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  plot
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%  
[q,r] = deconv(YY,   GS_Y);
X_data_GS = (xt(1)+X_data(1)): dx: ((length(X_data)-length(xt))*dx+(xt(1)+X_data(1)));
subplot(3,1,1)
plot(X_data_GS,q/max(abs(q)),'ro',X_data,YY,'ko' )
axis([-1 2 -0.1 1])

%by curve fitting
[q,r] = deconv(conv_Y,   GS_Y);
X_data_GS = (xt(1)+x_GS(1)): dx: ((length(x_GS)-length(xt))*dx+(xt(1)+x_GS(1)));
subplot(3,1,2)
plot(X_data_GS,q/max(abs(q)),'ro',x_GS,conv_Y,'ko' )
axis([-1 2 -0.1 1])

%compare
subplot(3,1,3)
plot(X_data,YY,'k',x_GS,conv_Y,'r' )
axis([-1 2 -0.1 1])
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