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Clash Royale CLAN TAG #URR8PPP up vote 0 down vote favorite Looking for a good quick guide about Riemannian optimization, from an applied perspective such as machine learning. Referrals to easy to read references would be really appreciated. geometry reference-request optimization share | cite | improve this question edited Aug 9 at 2:25 asked Aug 8 at 21:59 user25004 1,347 1 14 32 1 Suvrit Sra has many interesting papers suvrit.de – WalterJ Aug 8 at 22:04 Thanks. Day you see them as a good way to get introduced to the topic too? – user25004 Aug 9 at 2:36 This depends in your background, assuming you know a bit about optimization (gradient descent) and Riemannian geometry (exponential map), then yes. – WalterJ Aug 9 at 11:22 Then the next question would be where is a good start for Riemannian geometry? – user25004 Aug 11 at 3:20 add a comment  |  up vote

Clash Royale CLAN TAG #URR8PPP up vote 0 down vote favorite For what values ​​of "$a$" will we have the $dim(textim (M))$ of the matrix smaller than $3$? $$beginalign M= beginpmatrix a & 2 & 3 \ a & a & 4 \ a & a & a \ endpmatrix endalign $$ linear-algebra share | cite | improve this question edited Aug 8 at 23:00 cansomeonehelpmeout 4,864 3 8 30 asked Aug 8 at 22:01 Allan Oliveira 8 2 closed as off-topic by Isaac Browne, Jendrik Stelzner, Adrian Keister, Xander Henderson, Key Flex Aug 9 at 2:15 This question appears to be off-topic. The users who voted to close gave this specific reason: " This question is missing context or other details : Please improve the question by providing additional context, which ideally includes your thoughts on the problem and any attempts you have made to solve it. This information helps others identify where you have difficulties and helps them wr