How to get a graph of variable which depend on previous variables.

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sgvaibhav
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The picture explains everything.
Only V varies from 0 to 450.
Rest variables such as (rho), S, W are constant (those can be replaced with numbers in MATLAB).

So how do i plot such a graph?
oh forgot to mention the axes.
The y-axis should "Tr" and x - axis should be "V".
 
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Well, plug all the constant terms in the equation of Tr and leave v as an independent variable, it just seems to be ordinary algebra.
 
hmm...
i tried that, but i could not plot...
can i get a *part* of sample script.
 
hmmm...
i recently learned for loops in C++...
i never knew if they existed in matlab...