Finding rank(a) as a varies
44383
Finding rank of a matrix depending on parameter a
43000
Show $\operatorname{rank}(A) + \operatorname{rank}(B) \ge \operatorname{rank}(A+B)$
85167
When A and B are of different order given the $\det(AB)$,then calculate $\det(BA)$
26570
Prove $\operatorname{rank}(AB) = \operatorname{rank}(B)$
148234
Express set $[a,b] \cup [c,d]$ as the difference of two intervals
45469
If $a_k = \operatorname{rank}(S^k)$, deduce that $a_k - a_{k+1} \geq a_{k+1} - a_{k+2}$
10683
statistical method for finding significant numbers in a set
123925
Grabbing the independent columns of a matrix A
6905
Rank of product of a matrix and its transpose
97908
Finding the no. of possible matrices given the order and limited no. of entries
46128
Representation of Matrix with Rank 1
77192
How to prove $\text{Rank}(AB)\leq \min(\text{Rank}(A), \text{Rank}(B))$?
105175
Variable ordering using PCA
62283
How can I quickly know the rank of this / any other matrix?
46825
The identity det(A) = exp(Tr(ln(A)) for A general
121157
Proof verification: column rank = row rank
77785
How to find the position of elements in a list satisfying criteria