About
Single vector in 3D view
With every activation of the random vector button a vector arrow with random orientation is generated. Starting at the origin, its endpoint has random integer coordinates x,y,z. They are displayed in three editable number fields. There the coordinates may be changed to any rational number. An alternative one can draw the arrowhead in 2 dimensions with the mouse.
The range of the coordinate system is ∓ 5. A transparent coordinate mesh forms the background of the vector. The code for the generation of coordinate x is
x = integer(10*random( ) - 5).
A button with/no xyz projections shows or hides projections of the arrow onto the coordinate planes.
Five different radio buttons view select among a number of different distinct projections. Of them the 2D projections are especially suited to directly read the coordinates in the drawing frame.
The 3D frame can be rotated by drawing with the mouse, zoomed by drawing while the Shift key is pressed, and shifted by drawing while the Strg key is pressed.
I am a physic teatcher, trying to inoculate the pleasure to learn physic in a high school of Geneva, Switzerland.
You can visit the site I use with my students : "Physique et Graffiti" at
http://hypo.ge.ch/www/physic/
For any questions mail to : This email address is being protected from spambots. You need JavaScript enabled to view it. Extensions Dieter Roess Februar 2009
This simulation is part of
“Learning and Teaching Mathematics using Simulations
– Plus 2000 Examples from Physics”
ISBN 978-3-11-025005-3, Walter de Gruyter GmbH & Co. KG
Translations
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Credits
Dieter Roess - WEH- Foundation; Fremont Teng; Loo Kang Wee
Sample Learning Goals
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For Teachers
Single Vector in 3D JavaScript Simulation Applet HTML5
Instructions
Control Panel
Random Vector
Combo Box: View
Combo Box: Components
XYZ Projection
Toggling Full Screen
Reset Button
Research
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Video
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Version:
Other Resources
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- Details
- Written by Fremont
- Parent Category: Pure Mathematics
- Category: 3 Vectors
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