Plot for specific vibrational heat

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Hello! I'm trying to plot the outputs of cv for the formula given in the picture to the range of temperatures between 300 to 3000. But it still gives me error due to the matrix size doesn't match.
dT=100;
T=300:dT:3000;
theta_v=3400;
R=287;
C_vv=((R*theta_v^2*(exp(theta_v/T)))/(((exp(theta_v/T))-1)^2*T^2));
figure(1)
plot(T, C_vv)
grid
xlabel('Temperature')
ylabel('Cv')
title('Vibrational Specific Heat vs Temperature for Nitrogent')

Accepted Answer

Star Strider
Star Strider on 16 Sep 2019
Use element-wise operations:
C_vv=((R*theta_v^2*(exp(theta_v./T)))./(((exp(theta_v./T))-1).^2.*T.^2));

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