0 个投票

%T is temp from 0 to 50 in increments of 5.
T = 0:5:50;
R1=100;
R2=1000;
R3=1000;
Rm=10000;
Vi=10;
Ru = 1000*exp(3675*((1./T+273)-0.003354));
Vm = (Vi*Rm*(Ru*R2-R1*R3))/(Ru*R3*(R1+R2)+R1*R2*(Ru+R3)+Rm*(Ru+R3)*(R1+R2));
plot(T,Vm);

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Voss
Voss 2022-4-28
Ran in:

0 个投票

Ran in:
Use element-wise division (./) in the expression for Vm. Also, it looks like the expression for Ru should have 1./(T+273) rather than 1./T+273. Other problems may exist, but now you get a vector of finite numbers:
%T is temp from 0 to 50 in increments of 5.
T = 0:5:50;
R1=100;
R2=1000;
R3=1000;
Rm=10000;
Vi=10;
% Ru = 1000*exp(3675*((1./T+273)-0.003354));
% Vm = (Vi*Rm*(Ru*R2-R1*R3))/(Ru*R3*(R1+R2)+R1*R2*(Ru+R3)+Rm*(Ru+R3)*(R1+R2))
Ru = 1000*exp(3675*((1./(T+273))-0.003354));
Vm = (Vi*Rm*(Ru*R2-R1*R3))./(Ru*R3*(R1+R2)+R1*R2*(Ru+R3)+Rm*(Ru+R3)*(R1+R2))
Vm = 1×11
6.1391 5.7284 5.2867 4.8237 4.3501 3.8769 3.4144 2.9715 2.5547 2.1687 1.8161
plot(T,Vm);

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