int function does not return a single number

Question

0 个投票

Hello guys, I'm trying to use the int function to integrate the given function below:

syms T

R = 8.314e-5

CpS=(R*(1.702+(9.081e-3)*T+(-2.164e-6)*T^2))/T;

intCpS=int(CpS,298,500);

But the Matlab returns this result:

intCpS =

527894439476530787915169392877511447/1361129467683753853853498429727072845824+326286654811817103/2305843009213693952000*log(2)-326286654811817103/2305843009213693952000*log(149)+326286654811817103/2305843009213693952000*log(3)+978859964435451309/2305843009213693952000*log(5)

Anyone knows how to get the single number, resulting from this numeric expression?

Best Regards

Thiago Oliveira