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Math Help - Drawing a figure from a transformation matrix

  1. #1
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    Norway, Gjøvik
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    Drawing a figure from a transformation matrix

    Hello (pardon if it is in the wrong section, think it suits under trigonometry... Or should it be under... no clue! )
    A transformation matrix is given by K as :
    ___ 1 2 0
    K = 0 1 0
    ___0 0 1

    Draw a square in the R2 panel with the coordinates:
    A: 0,0
    B: 1,0
    C: 1,1
    D: 0,1

    Which is like this:


    Now use the transformation matrix K on all four coordiantes (A,B,C and D). Now draw the square again with the new coordiantes.

    Any suggestions on how I shall use the K on coordinate A?

    What I think: I am moving A from (0,0) to (1,1), then I double the x-axis which makes A located at (2,1) after the transformation is performed, right or wrong? It isnt that simple?
    Want just a suggestion on how to get started...
    Last edited by ManyTimes; March 1st 2010 at 03:59 PM.
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