Rickyfox
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 Jun 12 asked Determinant of symmetric matrix Jun 6 accepted k-fold matrix product Jun 6 comment k-fold matrix product added the matrices Jun 6 revised k-fold matrix product added the matrices Jun 6 asked k-fold matrix product Jun 6 accepted Showing symmetry involving a matrix and its transposed matrix Jun 6 asked Showing symmetry involving a matrix and its transposed matrix May 30 accepted Find line orthogonal to another line passing through point p in R³ May 30 comment Find line orthogonal to another line passing through point p in R³ That's really weird, but thanks :D May 30 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 May 30 asked Find line orthogonal to another line passing through point p in R³ May 23 comment Computing cross product using norm and angle made a mistake in my original question, 1. transforms into $||-7(v\times w)||$ May 23 revised Computing cross product using norm and angle edited body May 23 comment Computing cross product using norm and angle would you mind adding an approach for 2. ? May 23 asked Paralellogram based pyramid volume May 23 awarded Commentator May 23 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? May 23 accepted Calculate two vectors given their norms and angle May 23 asked Cross product as factor in dot product May 22 revised Computing cross product using norm and angle edited tags