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usero
  • Member for 10 years, 4 months
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13 votes
3 answers
10k views

Understanding the "rate of convergence" for iterative methods

11 votes
1 answer
920 views

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

11 votes
4 answers
3k views

Finding the square root of a Laplacian matrix

10 votes
2 answers
1k views

Safe application of iterative methods on diagonally dominant matrices

10 votes
3 answers
10k views

Gershgorin Circle Theorem to estimate the eigenvalues

7 votes
1 answer
699 views

Jacobi iteration to reduce the quadratic function

6 votes
3 answers
1k views

Eigenvectors with the Power Iteration

5 votes
1 answer
141 views

Configuration shift to change the rank of a Gram matrix

5 votes
0 answers
749 views

Perron-Frobenius theorem on general real symmetric matrices

4 votes
1 answer
135 views

Constructing the origin position by transforming distance information

4 votes
2 answers
158 views

Simplifying some operations on Gram matrices

4 votes
1 answer
5k views

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

4 votes
1 answer
56 views

Configuration shift for determination of a true dimensionality

3 votes
1 answer
239 views

Manipulating a generalized eigenvector problem to plain eigenvector problem

3 votes
2 answers
272 views

Positive semi-definiteness of a (symmetric) matrix

3 votes
1 answer
96 views

High-dimensional representation of arbitrary input

3 votes
1 answer
277 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
71 views

2D Jacobi line maintenance?

3 votes
1 answer
997 views

Spectral decomposition with eigenvalue shift

2 votes
1 answer
255 views

Proof continuation for rigid transformation on PCA solution

2 votes
2 answers
136 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
169 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
197 views

Recovering coordinates by eigendecomposition without double-centering

2 votes
1 answer
84 views

Optimality criterion of PCA via recovered distances

1 vote
0 answers
28 views

PCA performed on a configuration with scaled axes

1 vote
1 answer
93 views

Existence of a solution at a stationary equation for quadratics

1 vote
2 answers
165 views

Affecting the rank of a Gram matrix by configuration shift