Geting $A$ from $AA^{T}$
62614
How to get matrix $A$ from $A^\top A=B$ with given symmetric matrix $b$?
66610
Finding a correspondence between $\{0,1\}^A$ and $\mathcal P(A)$
117533
$|A-\lambda I|$ and $|\lambda I-A|$
27738
Gradient of $a^T X b$ with respect to $X$
28003
How to prove $A+ A^T$ symmetric, $A-A^T$ skew-symmetric.
155828
How do I show that $A$ and $A^T$ are similar, given that the minimal polynomial of $A$ splits over $\mathbb{F}$?
93825
Fourier transform of power function $t^\alpha$
75009
$A = \bigcap_{\mathfrak{p} \in \text{Spec(A)}} A_{\mathfrak{p}} = \bigcap_{\mathfrak{m} \in \text{MaxSpec(A)}} A_{\mathfrak{m}}$
61274
If $AA^T$ is the zero matrix, then $A$ is the zero matrix
77891
$(U\circ T)^{*} = T^{*}\circ U^{*}$
125774
Derivative of $a^x$ from first principles
152665
$A^TA+I$ is always invertible?
101861
How do you prove that $tr(B^{T} A )$ is a inner product?
72360
Find the value of $a^{2m}+a^m+{1\over a^m}+{1\over a^{2m}}$
76685
Determine $\text{Aut}(S)$ where $S = \mathbb{Q}[x]/(x^2)$
124827
Show that $Y\sim N(a+A\mu,AVA^T)$
143765
To Show that $\exp(tX)\exp(tY)= \exp(t(X+Y)) + (1/2)t^2[X, Y] +o(t^3)$