New essay: "Toward an exploratory medium for mathematics" http://cognitivemedium.com/emm/emm.html
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@jeremyjkun The question "prove the SVD" is pretty unnatural. The question "What's the maximal stretch of a matrix?" seems pretty natural
@jeremyjkun Of course, by exploring the former question we are led very naturally to discover the SVD
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@jeremyjkun The important observation is that the tangent at Ms is orthogonal to Ms. That's easily discovered and proved through anThanks. Twitter will use this to make your timeline better. UndoUndo
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@jeremyjkun interactive medium. -
@jeremyjkun (Of course, from my POV, the SVD is a MacGuffin, and all the important stuff is elsewhere.)
End of conversation
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