Mount St. Helens and Matrix Rank - Cleve Moler on Mathematics and Computing
 

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What do Mount St. Helens and the rank of a matrix have in common? The answer is the MATLAB function peaks. Let me explain. Please bear with me -- it's a long story.

Contents[URL="https://www.labfans.com/bbs/admincp/#26e4c9a3-fc99-457e-b237-429da9cf9bfd"]Mount St. Helens[/URL][URL="https://www.labfans.com/bbs/admincp/#2a4f3ebd-3711-4f54-8ed9-af405a2dde29"]Rank Revealing Factorizations[/URL][URL="https://www.labfans.com/bbs/admincp/#03f58f98-068a-4c0a-b9c8-ca714f13b10a"]C*inv(W)*R[/URL][URL="https://www.labfans.com/bbs/admincp/#8b842ee4-cb22-4d27-809c-d6751f639938"]peaks[/URL][URL="https://www.labfans.com/bbs/admincp/#239d67ea-75c2-4622-b8c7-5d5d2eba4295"]Rank[/URL][URL="https://www.labfans.com/bbs/admincp/#435da465-81a9-43a7-8dea-1245e506e440"]Reformulate[/URL][URL="https://www.labfans.com/bbs/admincp/#441d6c21-9fdd-4c23-95aa-6c1942b1d265"]Check[/URL]Mount St. Helens

[URL="https://en.wikipedia.org/wiki/Mount_St._Helens"]Mount St. Helens[/URL] is an active volcano in the Cascade Range near Portland, Oregon and Seattle, Washington. She had a dramatic eruption in May 1980. Four years after the eruption, I moved to Beaverton, Oregon to join a spinoff from Intel



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