Diagnonalisation of a 2D symmetrical matrix.

Author:CGA

This shows you how any symmetrical matrix transform can be decomposed into two reflections and a shear. Change 'A' in the spreadsheet on the right and change the triangle by moving the points.

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z`]]
apec
Slope Between 2 Points (Phase 2)
bewijs stelling van Pythagoras

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Circle Investigation 4
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