Saturday, March 10, 2012

Linear mappings

This applet shows the behaviour of a linear mapping in two dimensions. The image vector is shown in red, and the black vector can be displaced by click and drag.

The transformation matrix is editable.


This is a Java Applet created using GeoGebra from www.geogebra.org - it looks like you don't have Java installed, please go to www.java.com


Questions:

1. Construct the image of the vector (0,0). What happens?
2. Construct the image of the vector (1,1), and afther that, the image of the vector (2,2). What happens? Why?
3. Can you estimate, just playing with the vector, some eigenvector? Remember that not all linear mappings have real eigenvectors.

Related applets:

Eigenvalues and eigenvectors.

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