Rickyfox
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 Jun6 accepted k-fold matrix product Jun6 comment k-fold matrix product added the matrices Jun6 revised k-fold matrix product added the matrices Jun6 asked k-fold matrix product Jun6 accepted Showing symmetry involving a matrix and its transposed matrix Jun6 asked Showing symmetry involving a matrix and its transposed matrix May30 accepted Find line orthogonal to another line passing through point p in R³ May30 comment Find line orthogonal to another line passing through point p in R³ That's really weird, but thanks :D May30 comment Find line orthogonal to another line passing through point p in R³ sorry, but the $^T$ puzzles me a bit. Besides that, good answer, will try it asap May30 asked Find line orthogonal to another line passing through point p in R³ May23 comment Computing cross product using norm and angle made a mistake in my original question, 1. transforms into $||-7(v\times w)||$ May23 revised Computing cross product using norm and angle edited body May23 comment Computing cross product using norm and angle would you mind adding an approach for 2. ? May23 asked Paralellogram based pyramid volume May23 awarded Commentator May23 comment Cross product as factor in dot product thanks so far, I didn't know I could handle cross products like that. I've transformed this into $5v(w \times v)-15w(w \times v)$ although this looks a bit tidier, how can I compute that? Is there a relation between norm and cross product I'm missing here? May23 accepted Calculate two vectors given their norms and angle May23 asked Cross product as factor in dot product May22 revised Computing cross product using norm and angle edited tags May22 comment Computing cross product using norm and angle I just didn't know the difference, my choice of words wasn't based on any literature