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Sep
5
asked Determining the values of $b$ in $Ax=b$ to have a consistent system.
Sep
1
asked Is $A$ invertible if $ABAB^2 = I$?
Sep
1
asked Why does a matrix column being a multiple of another imply that the matrix is singular?
Aug
21
asked Factoring $x^3-8$ by grouping
Jul
7
asked Finding two matrices that permit a change of variable eliminating the crossed term.
Jul
6
asked Surjective linear transformations: is checking for linear independency enough?
Jul
6
asked Gram-Schmidt: Do the sets have some sort of order?
Jul
5
asked Calculating an orthonormal base given another base.
Jul
3
asked Is this procedure for $5^{300} \bmod 11$ correct?
Jul
3
asked Using the euclidean algorithm to find the inverse of $50 \mod 3$
Jul
3
asked What if I am not given the labels of a Karnaugh map?
Jul
2
asked Finding the smallest $x$ given a set of congruence conditions.
Jun
22
asked How can a subspace have a lower dimension than its parent space?
Jun
22
asked Understanding coordinates with respect to orthonormal bases.
Jun
21
asked Orthogonal complement of a line in $\mathbb{R}^2$ spanned by $(1,2)$
Jun
19
asked About vector orthogonality with itself and implication in a subspace's complement.
Jun
18
asked If a vector fulfils one condition in this theorem, does it automatically fulfil both?
Jun
17
asked Understanding the orthogonal complement of a subspace.
Jun
16
asked About an orthogonal complement theorem
Jun
16
asked Determining that this basis is linearly independent with a variable