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¸ÕÈëÃÅmatlabµÄС°×£¬×î½üÏë×ö·´Ó¦µÄ¶¯Á¦Ñ§£¬°´ÕÕBÕ¾upÖ÷µÄÊÓÆµ×Ô¼ºÐ´ÁËÒ»¶Î´úÂ룬µ«ÊÇÔËÐÐ×ÜÊdzöÎÊÌ⣺ ´íÎóʹÓà odearguments (µÚ 93 ÐÐ)£»FUNC ±ØÐë·µ»ØÁÐÏòÁ¿£¬³ö´í ode45 (µÚ 115 ÐÐ)£¬odearguments(FcnHandlesUsed, solver_name, ode, tspan, y0, options, varargin); ³ö´í Kinetics>fun (µÚ 67 ÐÐ)£¬[t,x]=ode45(@func,tspan,x0,[],k)£» ³ö´í lsqnonlin (µÚ 218 ÐÐ)£¬initVals.F = feval(funfcn{3},xCurrent,varargin{:});³ö´í Kinetics (µÚ 18 ÐÐ)£¬lsqnonlin(@fun,k0,lb,ub,[],yexp);%·ÇÏßÐÔ×îС¶þ³Ë·¨¡£ÔÒò:Failure in initial objective function evaluation. LSQNONLIN cannot continue. ÏÂÃæÊÇÎÒдµÄ´úÂ룬¶ÁÈ¡µÄExcel±í¸ñÀïÓÐ5ÁÐ*7ÐеÄʵÑéÊý¾Ý£¬ÀÍ·³´óÀаïÎÒ³ò³òÄÄÀïÐèÒª¸Ä¶¯£¬Íò·Ö¸Ðл¡£ function Kinetics %·´Ó¦Ò»£ºA+B=C+M %r=k*XA*XB-K*XC*XM %·´Ó¦¶þ£ºA+C=D+M %r=K*XA*XC-K*XD*XM %·´Ó¦Èý£ºB+C=E+M %r=K*XB*XC-K*XE*XM %XM=0.175 clc clear all; global a b tspan=[0.5 1 4 6 8 12 16]; yexp=xlsread('reaction.xls'); k0=[0.1 0.01 0.01 0.001 0.001 0.001];%²ÎÊý³õÖµ lb=[0 0 0 0 0 0];%ϱ߽ç ub=[+inf +inf +inf +inf +inf +inf];%Éϱ߽ç [k,resnorm,residual,exitflag,output,lambda,jacobian]=... lsqnonlin(@fun,k0,lb,ub,[],yexp);%·ÇÏßÐÔ×îС¶þ³Ë·¨ tspan=[0.5 1 4 6 8 12 16]; a=1; b=a+6; x0=yexp(a, ;%»ý·Ö³õÖµ[t,x]=ode45(@func,tspan,x0,[],k); t1=linspace(0.5,16,200); ya1=spline(t,x(:,1),t1);%¶¯Á¦Ñ§¼ÆËãµÃµ½µÄµã½øÐÐÑùÌõ²åÖµ ya2=spline(t,x(:,2),t1); ya3=spline(t,x(:,3),t1); ya4=spline(t,x(:,4),t1); ya5=spline(t,x(:,5),t1); for m=1:7 for n=1:5 yy(a+m-1,n)=x(m,n);%ÿһ´ÎµÄÖµ´æÈëyy¾ØÕó end end figure(1) plot(tspan,yexp(a:b,1),'k^',t1,ya1,'k-',tspan,yexp(a:b,2),'ro',t1,ya2,'r-',tspan,yexp(a:b,3),'bd',t1,ya3,'b-',... tspan,yexp(a:b,4),'g*',t1,ya4,'g-',tspan,yexp(a:b,5),'yp',t1,ya5,'y-'); legend('','AŨ¶È','','BŨ¶È','','CŨ¶È','','DŨ¶È','','EŨ¶È'); xlabel('t(h)');ylabel('Ũ¶È(mol/L)');title('170¡æ 0.1wt%´ß»¯¼Á'); t1=linspace(0.5,16,200); z1=spline(t,yy(1:7,1),t1); h1=spline(t,yy(1:7,2),t1); s1=spline(t,yy(1:7,3),t1); b1=spline(t,yy(1:7,4),t1); u1=spline(t,yy(1:7,5),t1); xlswrite('result.xls',[t1' z1' h1' s1' b1' u1'],'sheet1'); xlswrite('result.xls',residual,'sheet2'); Ne = length(yexp(:,2)); %Ä£ÐÍÊʶ¨ÐÔÅбð Np = length(k); [rho2,F] = rho2_F(k,yexp,resnorm,Ne,Np); ci=nlparci(k,residual,jacobian) fprintf('\t k1,0=%.1f ¡À %.4f\n',k(1),ci(1,2)-k(1)); fprintf('\t k2,0=%.1f ¡À %.4f\n',k(2),ci(2,2)-k(2)); fprintf('\t k3,0=%.1f ¡À %.4f\n',k(3),ci(3,2)-k(3)); fprintf('\t k4,0=%.1f ¡À %.4f\n',k(4),ci(4,2)-k(4)); fprintf('\t k5,0=%.1f ¡À %.4f\n',k(5),ci(5,2)-k(5)); fprintf('\t ²Ð²îƽ·½ºÍ£º%.3f\n',resnorm) fprintf('\t ʵÑéµãÊýºÍ×ÔÓɶȷֱðΪ Ne = %dºÍ Np = %d\n',Ne,Np) fprintf('\t ¾ö¶¨ÐÔÖ¸±ê¦Ñ^2: %.4f\n',rho2) fprintf('\t F±È: %.3f\n\n',F) %================================================================================= function f=fun(k,yexp) f=[]; tspan=[0.5 1 4 6 8 12 16]; a=1; x0=yexp(a, ;[t,x]=ode45(@func,tspan,x0,[],k) d=a+6; yc1=x(:,1); yc2=x(:,2); yc3=x(:,3); yc4=x(:,4); yc5=x(:,5); f11=yexp(a:d,1)-yc1; f12=yexp(a:d,2)-yc2; f13=yexp(a:d,3)-yc3; f14=yexp(a:d,4)-yc4; f15=yexp(a:d,5)-yc5; ff=[f11 f12 f13 f14 f15]; f=[f;ff]; %================================================================================= function dxdt=func(t,x,k) r1=-k(1)*x(1)*x(2)-k(2)*x(1)*x(3)+k(4)*x(3)*0.175+k(5)*x(4)*0.175; r2=-k(1)*x(1)*x(2)-k(3)*x(2)*x(3)+k(4)*x(3)*0.175+k(6)*x(5)*0.175; r3=k(1)*x(1)*x(2)+k(5)*x(4)*0.175+k(6)*x(5)*0.175-k(2)*x(1)*x(3)-k(3)*x(2)*x(3)-k(4)*x(3)*0.175; r4=k(2)*x(1)*x(3)-k(5)*x(4)*0.175; r5=k(3)*x(2)*x(3)-k(6)*x(5)*0.175; dxdt=[r1 r2 r3 r4 r5] %================================================================================= function [rho2,F] = rho2_F(k,yexp,s,Ne,Np) y=yexp.^2; sy = sum(y( );rho2 = 1 - s/sy; %rho2: ¾ö¶¨ÐÔÖ¸±ê F = (sy - s)*(Ne-Np)/(Np*s); %F£ºF±È |
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