find a, b and c such that the matrix is singular
10793
How to compute the determinant of a tridiagonal matrix with constant diagonals?
48113
Find a basis for the vector space of symmetric matrices with an order of $n \times n$
123925
Grabbing the independent columns of a matrix A
80161
linear algebra - Compute matrix associated to quadratic form.
123526
Finding determinant for a matrix with one value on the diagonal and another everywhere else
44383
Finding rank of a matrix depending on parameter a
129583
Find 3x3 real matrix A such that $A^2 \neq I$ and $A^4 = I$, where I is identity matrix.
52208
Show that a matrix $A$ is singular if and only if $0$ is an eigenvalue.
13971
find spectrum matrix A
132346
a linear algebra multiple choice problem
43570
Finding two non-zero matrices where $AX = BA$
85297
find a $3 \times 3$ matrix $A$ such that $A \neq I_3$ and $A^{197}=I_3$.
94714
How to solve matrix equation $AX+XB=C$ for $X$
117293
sufficient and necessary conditions for matrix to be diagonalize or triangular
18297
Suppose that each of the row sums of an $n\times n$ matrix $A$ is equal to zero. Show that $A$ must be singular.
128760
If $A$ and $B$ two $n\times n$ matrix such that $AB=BA$, then $\dim(A\cap B)$?
75104
Existence of some type matrix