Why two equal columns of two matrices have different means?
10692
Why is 24.0000 not equal to 24.0000 in MATLAB?
97281
Question regarding matrices with same image
3330
Square matrices, ABA = A?
79737
Characterization of two-step 2x2 stochastic matrices
153184
If a matrix is written with a double bar instead of square brackets, is there any significance?
38550
2x2 matrices with sum of diagonal entries equal zero
22251
Coefficients change signs
92744
These two operators commute...but their eigenvectors aren't all the same. Why?
66296
Two different formulas for standard error of difference between two means
86086
I am confused about the kernel of a matrix and the "kernel"
59125
Why does this matrix give the derivative of a function?
136698
Why are there different ways of building projection matrices?
6091
Similarity of products $AB$ and $BA$ of square matrices
4064
An equality involving the mean value property
63920
Does the fact that matrices $A, B$ are similar imply that $A+cI$ is similar to $B+cI$?
37371
Why is expected value of random variable equal to mean
70606
Show that the LU decomposition of matrices of the form $\left[\begin{smallmatrix}0& x\\0 & y\end{smallmatrix}\right]$ is not unique