Help rearranging.

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  • Thread starter kieyard
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  • #1
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Main Question or Discussion Point

Hi guys, Iv been stuck on this for well over an hour now, so I decided to use a equation rearranger online. However it gave me this, I just wanted to know what the value of 'W' is and how they got to that answer. Thanks in advance.
ImageUploadedByPhysics Forums1469187657.046383.jpg
 

Answers and Replies

  • #2
33,903
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It is not a value, it is the Lambert W function. It is not a proper solution to the problem (there is no proper solution) - the function is defined to have the solution to a similar problem as its value, but there is no analytic way to evaluate it in general.

WolframAlpha should have included a link to the function definition.
 

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