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xiaofenger01金蟲(chóng) (初入文壇)
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[求助]
Matlab錯(cuò)誤求助(輸入?yún)?shù)的數(shù)目不足)
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下面這段程序錯(cuò)在哪里?應(yīng)該怎么改? function Cha5demo4 T0 = 180; R = 8.315; k0 = [5.78052E+10 3.92317E+12 1.64254E+4 6.264E+8]; Ea = [124670 150386 77954 111528]; C0 = [1 0 0 0 0]; tspan = [0:1:300]; opt=odeset('reltol',1e-4) [t,T] = ode23(@Ramp,tspan,T0,opt) [t,C] = ode45(@MassEquations,tspan,C0,opt,k0,Ea,R,T) plot(t,C(:,1),'r-',t,C(:,2),'k:',t,C(:,3),'b-.',t,C(:,4),'k--'); xlabel('Time (s)'); ylabel('Concentration (kmol/m^3)'); legend('A','B','C','D') function dTdt = Ramp(t,T) dTdt = 1/6; function dCdt = MassEquations(t,tspan,C,k0,Ea,R,T) for i=1:4 k(i) = k0(i)*exp(-Ea(i)./(R.*(T+273.15))); end rA = -(k(1)+k(2))*C(1); rB = k(1)*C(1)-k(3)*C(2); rC = k(2)*C(1)-k(4)*C(3); rD = k(3)*C(2)-k(4)*C(4); rE = k(4)*C(3); dCdt = [rA; rB; rC; rD; rE]; |
金蟲(chóng) (初入文壇)
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