The Coordinate Geometry of Three-dimensional Space

  • Ian O. Angell
Part of the Macmillan Computer Science Series book series


It is now time to enter the real world of three dimensions. In order to introduce cartesian coordinates we necessarily require three mutually perpendicular axes, labelled x, y and z-axes, all of which meet at a common point, the coordinate origin. There are two independent ways of placing these axes, known as left-handed and right-handed triads of axes. In both types we may place the x and y-axes as in two-dimensional space, in the plane of the page (or screen) — the positive x axis placed to the right of the origin and the positive y-axis above the origin. This just leaves the placement of the z-axis (whence the two classifications of triads); it may be into the page (left-handed) or out of the page (right-handed). In this book we always use the left-handed notation.


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Copyright information

© Ian O. Angell 1981

Authors and Affiliations

  • Ian O. Angell
    • 1
  1. 1.Department of Statistics and Computer Science, Royal Holloway CollegeUniversity of LondonUK

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