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New posts in matrix-decomposition
How to understand the spectral decomposition geometrically?
linear-algebra
matrices
spectral-theory
matrix-decomposition
Understanding the singular value decomposition (SVD)
linear-algebra
matrices
matrix-decomposition
svd
Relation between Cholesky and SVD
matrices
eigenvalues-eigenvectors
matrix-decomposition
svd
cholesky-decomposition
Why is the non-negative matrix factorization problem non-convex?
matrices
optimization
convex-analysis
matrix-decomposition
non-convex-optimization
Why do we say SVD can handle singular matrix in least-squares? Comparison of SVD and QR decompositions
matrices
numerical-linear-algebra
matrix-decomposition
least-squares
svd
How is the null space related to singular value decomposition?
linear-algebra
matrix-decomposition
svd
A normal matrix with real eigenvalues is Hermitian
linear-algebra
matrices
eigenvalues-eigenvectors
matrix-decomposition
hermitian-matrices
LU Decomposition vs. Cholesky Decomposition
linear-algebra
matrices
matrix-decomposition
lu-decomposition
cholesky-decomposition
Let $A=(a_{ij})$ be an $n\times n$ matrix. Suppose that $A^2$ is diagonal. Must $A$ be diagonal?
linear-algebra
matrices
matrix-decomposition
When does a Square Matrix have an LU Decomposition?
matrices
algorithms
matrix-decomposition
Problem with Singular Value Decomposition
linear-algebra
matrix-decomposition
Polar decomposition of real matrices
linear-algebra
matrix-decomposition
Computing the Smith Normal Form
matrices
finite-groups
abelian-groups
matrix-decomposition
smith-normal-form
Proof that $\text{det}(AB) = \text{det}(A)\text{det}(B)$ without explicit expression for $\text{det}$
linear-algebra
matrices
eigenvalues-eigenvectors
determinant
matrix-decomposition
How can you explain the Singular Value Decomposition to non-specialists?
linear-algebra
matrices
matrix-decomposition
svd
singular-values
Calculating SVD by hand: resolving sign ambiguities in the range vectors.
linear-algebra
matrices
eigenvalues-eigenvectors
matrix-decomposition
svd
If $\mathrm{Tr}(A)=0$ then $T=R^{-1}AR$ has all entries on its main diagonal equal to $0$
linear-algebra
matrices
trace
matrix-decomposition
How unique are $U$ and $V$ in the Singular Value Decomposition?
linear-algebra
matrices
matrix-decomposition
svd
singular-values
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