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ArtificiallyIntelligent
  • Member for 7 years, 11 months
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8 votes
2 answers
5k views

When solving a linear system, why SVD is preferred over QR to make the solution more stable?

4 votes
1 answer
2k views

Is there any inequality between 2-norm condition number and Frobenius norm condition number for rectangular matrix?

3 votes
1 answer
608 views

If $ {L}_{0} $ Regularization Can be Done via the Proximal Operator, Why Are People Still Using LASSO?

3 votes
1 answer
76 views

Which norm does pseudo-inverse for least square for matrix equation minimizes?

3 votes
0 answers
62 views

How to find the existence criterion for real solution on the complex Vandermonde system

3 votes
1 answer
362 views

When does $\Vert AB \Vert = \Vert A \Vert \Vert B \Vert$?

2 votes
0 answers
533 views

Condition number on the DFT-like complex vandermonde matrix

2 votes
1 answer
177 views

Is there an concept of Least Common Odd Multiple?

2 votes
1 answer
45 views

Since there is conditional probability, is there any thing like conditional measure?

2 votes
1 answer
109 views

Why Jacobian matrix is a special case of alternant matrix?

2 votes
2 answers
2k views

Geometric meaning of left multiply with a diagonal matrix?

2 votes
3 answers
1k views

Examples of no-zero-measure meagre set

1 vote
2 answers
267 views

Jacobian of operator

1 vote
1 answer
58 views

Question on Donoho's 2006 "Compressive sensing" paper

1 vote
1 answer
47 views

How to prove the convergence region for matrix Laurent expansion?

1 vote
1 answer
323 views

What matrix has only negative or zero real part for all the eigenvalues?

1 vote
1 answer
474 views

Does positive row scaling matrix don't change a sign of matrix's eigenvalue?

1 vote
1 answer
432 views

Math notation to define the operator that extract component of a vector?

1 vote
0 answers
55 views

Can I say a manifold is partitioned by the basin of attractions?

1 vote
0 answers
79 views

What's the effect of normalizing for SVD?

1 vote
0 answers
81 views

What is the probablistic distribution of exponential convolution of a Gaussian white noise process?

1 vote
0 answers
165 views

linear functional vs linear operator

1 vote
1 answer
298 views

How to solve this nonlinear least square optimization?

1 vote
1 answer
430 views

Find rank for this special block matrix

1 vote
1 answer
69 views

Can one stick with explicit ode solver forever? Given enough small time step.

1 vote
1 answer
317 views

why the boundary of loop is zero?

1 vote
0 answers
54 views

invertibility of the block Vandermonde matrix

1 vote
0 answers
21 views

How to infer the eigenvalue distribution from matrix where each entry has a known Gaussian distribution?

1 vote
0 answers
15 views

Are there any interesting properties of the following symmetric circulate matrix?

0 votes
1 answer
271 views

Is there only one unique minimizer for this scalar complex quadratic form?