Mastering Thermodynamics: MATLAB for Mechanical Engineers | Polynomial Method

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Mechanical Engineers, as well as most other engineers, ue thermodynamics
extensively in their work. The following Polynomial can be used to relate the zero-pressure
specific​
http://aycu09.webshots.com/image/46728/2004396842923463871_rs.jpg​

How can i implement MATLAB and write a code to determine the temperature.
 
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You need to find the value of T which makes f(T) = cp. This is equivalent to finding the zero of f(T) - cp = 0. This is exactly the same as your other problem, so you can use bisection.