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Projecting distance for Unit Vector

  1. Sep 6, 2009 #1
    Hello,
    I am calculating Unit vector for non orthogonal Cartesian grid. To calculate Unit Vector I need to project eg. y and x distance of east face of cell on i and j axis resp. I am using following formula-
    Unit vector= Ue
    Surface area= Se=sqrt(dx2+dy2)

    Ue=(dy/se)i-(dx/se)j

    Can anybody please tell me how I can calculate projection?
     
  2. jcsd
  3. Sep 6, 2009 #2

    HallsofIvy

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    Staff Emeritus
    Science Advisor

    How are you defining the inner product?
     
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