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adam W

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3,180 reputation
2327
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location Texas
age 40
visits member for 7 months
seen 46 mins ago
stats profile views 221

My top favorite of my answers (sorted with easiest to understand first): rank 2: Matrix Representation
3-D Imaging: simplifying equations
Sub-Matrix: Efficient Inverse
QR: Fundamental Subspaces
Sylvester Equation: Explicit $2 \times 2$
Pseudo-inverse: Efficient and simple calculation
Unitary Similarity: python code to "hollow a matrix"
Furthest in angle vector: "Box Rotation"


3,180 reputation
bio website none visits member for 7 months
2327 badges
location Texas seen 46 mins ago
summary answers questions tags badges favorites bounties reputation activity

8 Questions

views newest activity votes
4
8
votes
7
answers
265
views

Is the square root of a triangular matrix necessarily triangular?

matrices
jan 15 at 20:40 adam W 3,180
 
4
votes
1
answer
207
views

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

linear-algebra matrices algorithms eigenvalues eigenvectors
oct 10 at 11:21 adam W 3,180
 
3
votes
2
answers
155
views

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

linear-algebra matrices
mar 24 at 13:38 Lajos LASZLO 1
 
3
votes
0
answers
60
views

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

linear-algebra matrices eigenvalues
feb 1 at 23:28 adam W 3,180
 
1
vote
1
answer
39
views

There are $n!$ different unitary similarities that give $L_i \sim L_j$. Or are there more?

matrices eigenvalues eigenvectors
jan 14 at 21:41 adam W 3,180
 
0
votes
0
answers
60
views

Find a similarity to a normal matrix?

linear-algebra matrices algorithms
oct 22 at 12:45 adam W 3,180
 
0
votes
1
answer
65
views

Factoring $\pm \Lambda$ from symmetric $A$ using $LDU$

linear-algebra matrices eigenvalues eigenvectors
oct 11 at 11:49 adam W 3,180
 
-3
votes
4
answers
93
views

Complete instead of Complex, Irregular instead of Imaginary

matrices polynomials complex-numbers education convention
dec 28 at 20:48 user1551 16.5k
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