adam W's user avatar
adam W's user avatar
adam W's user avatar
adam W
  • Member for 10 years, 8 months
  • Last seen more than a week ago
28 votes

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

21 votes
Accepted

Determinant of rank-one perturbations of (invertible) matrices

15 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?

9 votes

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

9 votes
Accepted

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

9 votes

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

8 votes

Mathematical expression to form a vector from diagonal elements

6 votes

Are there any memorization techniques that exist for math students?

6 votes

QR factorization of complex matrix

6 votes
Accepted

QR factorization for ridge regression

5 votes
Accepted

Solve the integral

5 votes
Accepted

Can this transformation be expressed as a matrix equation?

5 votes

$QR$ decomposition of rectangular block matrix

5 votes

How can we compute Pseudoinverse for any Matrix

4 votes

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

4 votes

Finding a vector orthogonal to a subspace

4 votes
Accepted

Row and column algorithm

4 votes

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

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

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

4 votes

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

4 votes
Accepted

Is there a unique solution for this quadratic matrix equation?

4 votes
Accepted

Solving for the trace of a matrix

3 votes
Accepted

Linear Algebra (Orthogonal Transformations)

3 votes

Is the product of two positive semidefinite matrices positive semidefinite?

3 votes

Determinant of the sum of matrices: $\det (A + B^T) = \det(A^T + B)$

3 votes

Radical questions algebra

3 votes

Matrices with columns which are eigenvectors

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