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??? Attempted to access C(2); index out of bounds because numel(C)=1. ÒÑÓÐ2È˲ÎÓë
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function qt=HSDMJ(t,q) global nr dr drs ... r z Ds C Cs q... v R kf K... C0 p n ncall qr qrr pp m V it y % rÍø¸ñ»¯ for j=1:nr % 2/r*qr if(j==1) % r=0 qr(j)=2.0*(q(j+1)-q(j))/drs; elseif(j==nr) % r=R qr(j)=2/R*kf/(pp*Ds)*(C-Cs); else qr(j)=2/r(j)*(q(j+1)-q(j-1))/(2*dr); end % qrr if(j==1) qrr(j)=2.0*(q(j+1)-q(j))/drs; elseif(j==nr) qf(j)=q(j-1)+2.0*dr*kf/(pp*Ds)*(C-Cs); qrr(j)=(qf(j)-2.0*q(j)+q(j-1))/drs; else qrr(j)=(q(j+1)-2.0*q(j)+q(j-1))/drs; end % PDEs qt(j)=Ds*(qrr(j)+qr(j)); end % תÖúͼÆÊý qt=qt'; ncall=ncall+1; clc; clear all; close all; %% ¶¨ÒåÈ«¾Ö±äÁ¿ global nr dr drs ... r z Ds C q... v R kf K... C0 p n ncall qr qrr F pp V x y m it y Cs %% Ä£ÐͲÎÊý C0=300; % mg/L F=30; % mL/min m=23; % g d=0.02; % m R=0.0015; % m p=1100; %kg/m^3 pp=718.6; %kg/m^3 Ds=60*4.187e-12; % m^2/min K=32.948; n=2.822; kf=60*2.495e-5; % m/min V=0.025; %L %% r·½ÏòÍø¸ñ % rµÄ·¶Î§Îª0-R nr=7; r=linspace(0, R, nr); dr=R/(nr-1); for j=1:nr r(j)=(j-1)*dr; end drs=dr^2; tf=180; tout=0:5:tf; nout=37; ncall=0; dt=tf/(nout-1); Cs(1)=0; C(1)=C0; %% ³õʼÌõ¼þ for j=1:nr q(j)=0; q0(j)=q(j); end C=zeros(nout,1); for it=1:nout if(it==1) C(it)=C0; else C(it)=(C(it-1)+3*m*kf*dt/(R*pp*V)*Cs(it))/(1+3*m*kf*dt/(R*pp*V)); end C=C(it); Cs=Cs(it); %% ode²ÎÊýÉèÖü°·½³ÌÇó½â reltol=1.0e-04; abstol=1.0e-04; options=odeset('RelTol',reltol,'AbsTol',abstol); [t,q]=ode15s(@HSDMJ,tout,q0,options); Cs(it+1)=(q(it,nr)/K)^n; end ±¨´í£º ??? Attempted to access C(2); index out of bounds because numel(C)=1. Error in ==> HSDMJ_1 at 47 C(it)=(C(it-1)+3*m*kf*dt/(R*pp*V)*Cs(it))/(1+3*m*kf*dt/(R*pp*V)); |
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