Trying to construct identity matrix?
1607
List of lists changes reflected across sublists unexpectedly
24059
How to set up the matrix in data generation in R?
79224
To create a special matrix !!
70989
Looking for an elegant way to construct this tensor-product-ish list
47103
How to form a block-diagonal matrix from a list of matrices?
3113
How to typeset block matrices?
83981
How to prove those "curious identities"?
147490
If matrix $AB=A$, does it mean B must be an identity matrix?
43570
Finding two non-zero matrices where $AX = BA$
7712
How to prove the both identity (matrix)
81783
Labeling all sides of the matrix with kbordermatrix
77587
Cross product: matrix transformation identity
89737
I need to multiply a series of matrices
13809
How to create a matrix with rows and columns labeled (at the right side)?
119375
Is there any standard notation for specifying dimension of a matrix after the matrix symbol?
151228
What are the requirements for a rotation matrix?
143610
If $f^3=\rm id$ then it is identity function