usero
  • Member for 9 years, 11 months
  • Last seen more than 9 years ago
3 answers
13 votes
10k views
7 bookmarks
Understanding the "rate of convergence" for iterative methods
1 answers
11 votes
878 views
1 bookmarks
Projecting out the null-space of $A$ from $b$ in $Ax=b$
4 answers
11 votes
2k views
Finding the square root of a Laplacian matrix
3 answers
10 votes
9k views
5 bookmarks
Gershgorin Circle Theorem to estimate the eigenvalues
2 answers
10 votes
1k views
1 bookmarks
Safe application of iterative methods on diagonally dominant matrices
1 answers
7 votes
684 views
Jacobi iteration to reduce the quadratic function
3 answers
6 votes
1k views
1 bookmarks
Eigenvectors with the Power Iteration
0 answers
5 votes
733 views
Perron-Frobenius theorem on general real symmetric matrices
1 answers
5 votes
139 views
Configuration shift to change the rank of a Gram matrix
1 answers
4 votes
5k views
1 bookmarks
Power Iteration on general matrices (with higher multiplicity of dominant eigenvalue)
1 answers
4 votes
54 views
Configuration shift for determination of a true dimensionality
2 answers
4 votes
155 views
Simplifying some operations on Gram matrices
1 answers
4 votes
132 views
Constructing the origin position by transforming distance information
1 answers
3 votes
237 views
Manipulating a generalized eigenvector problem to plain eigenvector problem
1 answers
3 votes
95 views
High-dimensional representation of arbitrary input
2 answers
3 votes
264 views
1 bookmarks
Positive semi-definiteness of a (symmetric) matrix
1 answers
3 votes
1k views
Application of an orthogonal matrix to a 3D configuration of point
1 answers
3 votes
264 views
3D to 2D projections, a generalization
1 answers
3 votes
974 views
1 bookmarks
Spectral decomposition with eigenvalue shift
1 answers
3 votes
71 views
2D Jacobi line maintenance?
1 answers
2 votes
84 views
Optimality criterion of PCA via recovered distances
1 answers
2 votes
195 views
Recovering coordinates by eigendecomposition without double-centering
3 answers
2 votes
1k views
2 bookmarks
Convergence of the gradient descent and linear vs non-linear fixed point iteration
2 answers
2 votes
163 views
Handling inconsistent solutions obtained by PCA
2 answers
2 votes
2k views
1 bookmarks
What does "Counting algebraic multiplicity" mean?
2 answers
2 votes
135 views
2 bookmarks
A sufficient number of distances to recover relative positions of n points
1 answers
2 votes
254 views
1 bookmarks
Proof continuation for rigid transformation on PCA solution
0 answers
1 votes
28 views
PCA performed on a configuration with scaled axes
1 answers
1 votes
93 views
Existence of a solution at a stationary equation for quadratics
2 answers
1 votes
164 views
Affecting the rank of a Gram matrix by configuration shift