adam W

Member for 11 years
Last seen more than a week ago

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Texas

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linear-algebra

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Score Activity Newest

28

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

Oct 12, 2012

24

Determinant of rank-one perturbations of (invertible) matrices

Oct 24, 2012

16

Insightful proofs for Sherman-Morrison Formula and Matrix Determinant Lemma

Dec 16, 2012

12

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

Nov 25, 2013

9

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

Jan 10, 2013

Questions

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13

Is the square root of a triangular matrix necessarily triangular?

Jan 14, 2013

11

Is every square traceless matrix unitarily similar to a zero-diagonal matrix?

Dec 29, 2012

6

Characterizing a real symmetric matrix $A$ as $A = XX^T - YY^T$

Oct 9, 2012

5

$\Delta^d m^n =d! \sum_{k} \left[ m \atop k \right] { {k+n} \brace m + d}(-1)^{m+k}$ Is this a new formula?

Mar 27, 2014

4

Jacobi's Rotation has two possibilities, why do they both result in same upper triangular magnitude norm?

Feb 1, 2013

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linear-algebra

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matrices

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determinant

57

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11

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numerical-linear-algebra

30

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notation

28

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+10

QR factorization for ridge regression

+30

Determinant of rank-one perturbations of (invertible) matrices

+10

Insightful proofs for Sherman-Morrison Formula and Matrix Determinant Lemma

+10

Eigenvalues of anti-triangular block matrix

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