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usero
  • Member for 12 years, 1 month
  • Last seen more than 11 years ago
13 votes
3 answers
10k views

Understanding the "rate of convergence" for iterative methods

12 votes
4 answers
3k views

Finding the square root of a Laplacian matrix

11 votes
1 answer
1k views

Projecting out the null-space of $A$ from $b$ in $Ax=b$

11 votes
3 answers
10k views

Gershgorin Circle Theorem to estimate the eigenvalues

10 votes
2 answers
2k views

Safe application of iterative methods on diagonally dominant matrices

7 votes
1 answer
776 views

Jacobi iteration to reduce the quadratic function

6 votes
3 answers
1k views

Eigenvectors with the Power Iteration

5 votes
1 answer
150 views

Configuration shift to change the rank of a Gram matrix

5 votes
0 answers
782 views

Perron-Frobenius theorem on general real symmetric matrices

4 votes
1 answer
1k views

Spectral decomposition with eigenvalue shift

4 votes
2 answers
166 views

Simplifying some operations on Gram matrices

4 votes
1 answer
151 views

Constructing the origin position by transforming distance information

4 votes
1 answer
5k views

Power Iteration on general matrices (with higher multiplicity of dominant eigenvalue)

4 votes
1 answer
59 views

Configuration shift for determination of a true dimensionality

3 votes
1 answer
242 views

Manipulating a generalized eigenvector problem to plain eigenvector problem

3 votes
2 answers
314 views

Positive semi-definiteness of a (symmetric) matrix

3 votes
1 answer
98 views

High-dimensional representation of arbitrary input

3 votes
1 answer
390 views

3D to 2D projections, a generalization

3 votes
1 answer
2k views

Application of an orthogonal matrix to a 3D configuration of point

3 votes
1 answer
76 views

2D Jacobi line maintenance?

2 votes
1 answer
265 views

Proof continuation for rigid transformation on PCA solution

2 votes
2 answers
141 views

A sufficient number of distances to recover relative positions of n points

2 votes
2 answers
2k views

What does "Counting algebraic multiplicity" mean?

2 votes
2 answers
189 views

Handling inconsistent solutions obtained by PCA

2 votes
3 answers
1k views

Convergence of the gradient descent and linear vs non-linear fixed point iteration

2 votes
1 answer
213 views

Recovering coordinates by eigendecomposition without double-centering

2 votes
1 answer
86 views

Optimality criterion of PCA via recovered distances

1 vote
0 answers
29 views

PCA performed on a configuration with scaled axes

1 vote
1 answer
95 views

Existence of a solution at a stationary equation for quadratics

1 vote
2 answers
176 views

Affecting the rank of a Gram matrix by configuration shift