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Topic FTY=e-DPU

FTY=e-DPU

Home Forums General Forums Methodology FTY=e-DPU

This topic contains 9 replies, has 9 voices, and was last updated by Profile photo of MBBinWI MBBinWI 8 months, 2 weeks ago.

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  • #168485 Reply

    I am confused as to how to obtain the FTY using a constant e-2.718 can someone enlighten me?

    i.e.

    FTY= e -DPU
    e-2.718
    FTY=2.718 -0.3
    FTY=0.741
    FTY=74%

    How did this get calculated? HELP!

    #168495 Reply

    Do some research on the Poisson equation, this site or elsewhere.

    #168498 Reply
    Profile photo of Ganesh B
    B
    Participant
    Reputation - 0
    Rank - Aluminum

    True, also needed a elaborated question. Self study here, will save you time.

    #168504 Reply

    I believe this formula is referring to RTY not FTY if memory serves, and obtaining it involves simply taking the natural log (e^x) of the negative dpu measure. – it took me three key strokes on the calculator.

    #206569 Reply
    Profile photo of Wael
    Wael
    Member
    Reputation - 35
    Rank - Aluminum

    just one state RTY=FTY if defect=0
    and as I know RTY= e -DPU when we would like to calculate as a short term but long term you should to multiplication every DPU for each process.

    #486265 Reply

    B Cox

    You probably already figured this out, but … The exercise to figure FTY uses an exponent for DPU, expressed as a negative. So your expression
    FTY= e (constant) -DPU (to the power expressed)
    e-2.718
    FTY=2.718 -0.3 (power of negative .3)
    FTY=0.741
    FTY=74%
    I don’t have a scientific calculator so I used Excel, where the formula is shown as “=POWER(2.718,-0.3)”

    #486281 Reply

    It’s RTY….not FTY.

    #486289 Reply

    ….well Chris, I suppose if the production line was moving really fast you might be able to get the product airborne in which case it would be flying and not rolling…. :-)

    #486355 Reply

    LOL…..

    How about this kind of flying item?

    #486383 Reply

    @rbutler – Good one, Robert. You’re getting punnier, and punnier all the time!

    @cseider – One of the more bizzaro sitcoms – even for its day. Seriously, the lift to weight ratio for a habit that size would at best lift a midget, I don’t care how little Sally Field weighed. And no vertical stabilizers? Please, totally aerodynamically infeasible, totally unstable (but then, maybe that was a metaphor for Sally?).

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