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README
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1991-07-01
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744b
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This is a little program which helps in visualising 2 x 2 matrices
as linear mappings.
You are asked to type in the two rows of the matrix. The program
draws the ellipe obtained by applying your matrix to points on the
Unit circle.
The coordinate system used for screen display is ALWAYS
from -10 to 10 on x and y axes. Using very large and very small
numbers in your input matrix will not be particularly illuminating.
One last point: The program normally introduces delays so that the
entire operation takes 8 seconds for one matrix. If you hit any
key, it eliminates these delays. On a fast machine, this will
make the display virtually instantaneous.
Ajay Shah,
ajayshah@usc.edu
Mon Jul 1 15:48:17 EDT 1991