Lambert W function

  1. Dear scholars,

    I am working on the following equation and wonder whether my solution is correct. The actual problem is more complex but the example below captures the main features. I have not a lot of experience with the Lambert W function. Thanks in advance for your comments!

    $$Y=x \exp(x^2)$$

    Substitute: $$u=x^2$$

    $$Y=\sqrt{u} \exp(u)$$
    $$Y^2=u \exp(2u)$$
    $$2Y^2=2u \exp(2u)$$

    Then using W function:
    From which $$x$$ follows.
  2. jcsd
  3. Correct.
  4. HallsofIvy

    HallsofIvy 41,041
    Staff Emeritus
    Science Advisor

    Yes, very good!
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