perplexus.info :: Just Math : Reflection Matrix

Reflection Matrix (Posted on 2015-04-01)

⌈1  0⌉⌈x⌉=⌈ x⌉
⌊0 -1⌋⌊y⌋=⌊-y⌋

The above 2x2 matrix reflects a point over the x-axis. (x,y)→(x,-y).

Derive a matrix that will reflect a point over the line y=kx.

No Solution Yet Submitted by Jer

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Puzzle Thoughts

Comment 4 of 4 |

(1-k^2)/(1+k^2) 2*k/(1+k^2)]

[2*k/(1+k^2) (k^2-1)/(1+k^2)]

Posted by K Sengupta on 2023-06-15 02:03:59

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