vector spaces - What is the mathematical meaning of $xx^T ...
Oct 28, 2014 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
linear algebra - A square matrix (XX^T) made from column vector …
May 22, 2021 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
matrices - Show that $\det(I-xx{^T})=0$ if $x{^T}x=1
Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …
Relation between eigenvectors of matrix $X^TX$ and $XX^T$
Planned maintenance impacting Stack Overflow and all Stack Exchange sites is scheduled for Tuesday, April 1, 2025 from 13:30 UTC to 21:30 UTC (9:30am to 5:30pm ET).
Finding the covariance of $X$ from $XX^T$ and from its mean.
Jun 27, 2019 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
What are the eigenvalues of $X = xx^{T}, x\\in\\mathbb{R}^{d}$?
Aug 13, 2019 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
Eigenvectors and eigenvalues from $X^TX$ to $XX^T$?
Apr 23, 2015 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
linear algebra - Eigenvalue decomposition of $A = I - xx^T ...
Dec 2, 2016 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
Differentiation of $xx^T$ where $x$ is a vector
Sep 20, 2014 · Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for …
Expected value of $xx^{T}$ for multidimensional Gaussian
Stack Exchange Network. Stack Exchange network consists of 183 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their …