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Lines and Planes in Vector Forms

Lines and Planes in Vector Forms
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2017-08-11 01:43
VectorCoordinate GeometrySolid Geometry
This example demonstrates the vector forms of lines and planes. Key mathematical concepts include vectors, plane equations, and line equations. Using GeoGebra commands such as Vector, Plane, PointIn, and Line, the vector representations of lines and planes in 3D space are constructed. Suitable for high school and above students or teachers to understand the geometric relationships in three-dimensional space.

GeoGebra Commands & Parameters

  1. Vector(Origin, G) → T1
  2. Plane(A, Origin_B, Origin) → a
  3. PointIn(a) → E
  4. PointIn(a) → Origin_F
  5. Vector(Origin_B, A) → T1_A
  6. Line(qwInitPt, wTermPt) → Line_{2D}
  7. Vector(qwInitPt, wTermPt) → w
  8. Vector(qwInitPt, qwInitPt + (t * w)) → wScl
  9. Vector(O, qwInitPt) → u
  10. Vector(O, qwInitPt + (t * w)) → v
  11. Plane(O, qwInitPt, wTermPt) → n
  12. Vector(qwInitPt, qTermPt) → q
  13. Vector(qwInitPt, qwInitPt + (s * q)) → qScl
  14. Line(qwInitPt, qTermPt) → f_1
  15. Vector(O, qTermPtScl) → v_1
  16. Plane(wTermPt, qwInitPt, qTermPt) → c_1
  17. Sequence(Line[qwInitPt + (t * w), q], t, -15, 15) → qParallelLinesPlane
  18. Sequence(qwInitPt + (t * w), t, -15, 15) → wCoordPts
  19. Sequence(qwInitPt + (s * q), s, -15, 15) → qCoordPts
  20. Sequence(Line[qwInitPt + (s * q), w], s, -15, 15) → wParallelLinesPlane
  21. Sequence(Text[" " + (k), qwInitPt + (k * q)], k, -15, 15) → qAxisNumberList
  22. Vector(wTermPt, wTermPt + Vector[(1, 0, -3)]) → u_1
  23. Vector(wTermPt, wTermPt + Vector[(1, 2, -3)]) → w_1
  24. Vector(wTermPt, wTermPt + Vector[(1, -1, -3)]) → h_1
  25. Point(qwInitPt, Vector[(s * q) + (t * w)]) → GridPt
  26. Sequence(Text[" " + (k), qwInitPt + (k * w)], k, -15, 15) → wAxisNumberList