Solving xlnx = c + dx w/ Lambert's W Func.

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SUMMARY

The equation xlnx = c + dx can be solved using Lambert's W function. The initial steps involve transforming the equation into log(x) = (c/x) + d, which can then be manipulated further. The discussion provides a clear pathway to apply the Lambert W function for solving the equation, emphasizing the importance of logarithmic properties in the process.

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Homework Statement



Can I solve for xlnx = c + dx using Lambert's W function?

Homework Equations





The Attempt at a Solution

 
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kayhm said:

Homework Statement



Can I solve for xlnx = c + dx using Lambert's W function?

Homework Equations





The Attempt at a Solution


Yes you can.

I've given the first three steps... after that, it shouldn't be too hard to finish:

x log(x) = c + d x

log(x) = \frac{c}{x} + d

log\left(\frac{cx}{c}\right) = \frac{c}{x} + d

log(c) + log\left(\frac{x}{c}\right) = \frac{c}{x} + d

Can you continue?
 
Thanks so much.
 
kayhm said:
Thanks so much.

It's no problem at all.
 

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