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visits member for 3 years, 3 months
seen 11 hours ago

20h
asked Why is the permanent of interest for complexity theorists?
Apr
10
asked What particular solution should I guess for this relation?
Apr
10
asked Does the order I multiply the characteristic equation's factors in the homogeneous solution matter?
Apr
10
asked About the particular solution given an homogeneous solution in a recurrence relation.
Apr
10
asked How to solve non-homogeneous recurrence relations?
Apr
9
asked How to calculate the determinant when the diagonal is in terms of $k$?
Apr
9
asked How to determine column dependency without calculating the determinant?
Apr
9
asked How to calculate a linear combination for a matrix' column?
Apr
9
asked Going from $X^tAB - I = X^t$ to $X^t(AB-I) = I$ in matrix algebra.
Apr
9
asked Calculating matrix determinants based on another's.
Apr
8
asked What cases should I check when I am looking for the possible infinite solutions of a matrix?
Apr
7
asked Why is a matrix $A$ that fulfils $AA^t = I$ invertible?
Apr
7
asked How does Laplace expansion work?
Apr
6
asked Determining the necessary values for a matrix' coefficients to achieve a certain rank.
Apr
6
asked Calculating the determinant of $-2A^{-1}$ given the determinant of $A$.
Apr
6
asked If a matrix is not invertible, is it still possible to find a left and/or right inverse?
Apr
6
asked About inverse matrixes
Apr
6
asked Find the values of $k$ that make this system inconsistent, with unique solution, and with infinite solutions.
Apr
5
asked What did I do wrong with Gaussan Elimination for $\begin {cases} x + 5y + 11z = -5\\ 2x + 3y + 8z = 4\\ -x + 2y + 3z = -9 \end {cases}$?
Apr
2
asked How to solve this homogeneous system, with a missing column?