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Find matrices $X$ such that the diagonal of $X^H X$ is sparse

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#matrices #reference-request #optimization #matrix-rank #non-convex-optimization
940
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How do I translate this 3x3 affine transformation matrix int a 4x4 transformation matrix?

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#matrices #transformation #3d #affine-geometry
347
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Does $ABC = ADC \implies B = D$?

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#linear-algebra #matrices
162
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Limit involving norm of matrices

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#matrices #limits #normed-spaces
80
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Eigenvalues of $B+(B- I)C(B- I)$ with $B$ idempotent

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#linear-algebra #matrices #eigenvalues-eigenvectors
1k
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Multivariate polynomials as matrix products?

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#matrices #polynomials #matrix-decomposition
2.5k
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Checking the singularity of a matrix

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#matrices #matrix-rank
44
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Linear Algebra-Eigenvalues

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#linear-algebra #matrices #eigenvalues-eigenvectors
4.8k
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What subspace of $3 \times 3$ matrices is spanned by a given set?

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#linear-algebra #matrices #vector-spaces #symmetric-matrices
45
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Linear Algebra-Eigenvalues/vectors

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#linear-algebra #matrices #eigenvalues-eigenvectors
354
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Is there a quick way to determine if certain combinations of columns of a matrix are linearly independent? (finding basic feasible solutions)

Published on
#linear-algebra #matrices #optimization #linear-programming
416
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Are the span of these vectors the same?

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#linear-algebra #matrices
95
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exponential of matrix in linear differential equation

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#matrices #ordinary-differential-equations #exponential-function
405
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Generate a $5 × 5$ matrix such that the each entry is an integer between $1$ and $9$, inclusive, and whose determinant is divisible by $271$.

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#linear-algebra #matrices #determinant
567
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Determinant of matrix whose $(i,j)$ entry is $\min(i,j)$

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#linear-algebra #matrices #determinant

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