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Math Help - need a computer math whiz!!

  1. #1
    dan
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    Lightbulb need a computer math whiz!!

    Is there someone here who is famular with Newton Raphson Method of solving nonlinear equations. According to a vacationing programmer it is supposed to help me write a program in C++ or VB to compute W(Z) i.e(compute x in Y=x*(e^x) when y is given). Does somebody know this stuff??
    Thanks,
    Dan
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  2. #2
    Grand Panjandrum
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    Quote Originally Posted by dan
    Is there someone here who is famular with Newton Raphson Method of solving nonlinear equations. According to a vacationing programmer it is supposed to help me write a program in C++ or VB to compute W(Z) i.e(compute x in Y=x*(e^x) when y is given). Does somebody know this stuff??
    Thanks,
    Dan
    This is the Lambert W function. For a general reference see the Wikipedia
    artice, and for something more specific on computing it see this artice.
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  3. #3
    dan
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    Thumbs up I need a computer math whiz!!!

    thanks, Capt Black, that's what I needed.
    dan
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