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adam W's user avatar
adam W's user avatar
adam W's user avatar
adam W
  • Member for 11 years, 8 months
  • Last seen more than a week ago
31 votes
Accepted

Determinant of rank-one perturbations of (invertible) matrices

28 votes

Why not write $\sqrt{3}2$?

17 votes
Accepted

Insightful proofs for Sherman-Morrison Formula and Matrix Determinant Lemma

12 votes
Accepted

Is there a function that gives the same result for a number and its reciprocal?

10 votes

Are there any decompositions of a symmetric matrix that allow for the inversion of any submatrix?

9 votes
Accepted

Can a symmetric matrix always be represented as the sum of a positive-definite and negative-definite matrix?

9 votes

What is step by step logic of pinv (pseudoinverse)?

9 votes

Mathematical expression to form a vector from diagonal elements

7 votes
Accepted

QR factorization for ridge regression

6 votes

QR factorization of complex matrix

6 votes

Are there any memorization techniques that exist for math students?

5 votes
Accepted

Solve the integral

5 votes
Accepted

Can this transformation be expressed as a matrix equation?

5 votes

How can we compute Pseudoinverse for any Matrix

5 votes

$QR$ decomposition of rectangular block matrix

4 votes

Solve the matrix equation : $A = X (X B)^T$

4 votes

Solution of a Sylvester equation?

4 votes

Does $Ax=x$ imply $A^* x=x$, if $A^*$ is the conjugate transpose of $A$?

4 votes

Finding a vector orthogonal to a subspace

4 votes
Accepted

Row and column algorithm

4 votes

Are there any memorization techniques that exist for math students?

4 votes
Accepted

Can an if and only if condition be stated alternatively?

4 votes

The Matrix Equation $X^{2}=C$

4 votes
Accepted

Is there a unique solution for this quadratic matrix equation?

4 votes

Is there a similarity transformation rendering all diagonal elements of a matrix equal?

4 votes

Solving matrix equation $XA=AY$ with known $X$ and $Y$

4 votes
Accepted

Solving for the trace of a matrix

3 votes
Accepted

Linear Algebra (Orthogonal Transformations)

3 votes

Optimal symmetric rank-1 approximation

3 votes

How to randomly construct a square full-ranked matrix with low determinant?

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