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15
111
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Chain rule for partial matrix dervative.

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#calculus #matrices #chain-rule
41
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Canonical form of pairs of matrices over arbitrary field

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#matrices #matrix-pencil
397
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Computing all binary matrices with given row and column sum

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#combinatorics #matrices
53
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Bilinear form with parameter

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#linear-algebra #matrices #bilinear-form
37
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A special type of similarity that "inherits multiplication" over addition.

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#linear-algebra #abstract-algebra #matrices #soft-question #linear-transformations
89
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Bilinear form and signature

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#matrices #quadratic-forms #bilinear-form
288
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Issue with Matrix Multiplication using the Formal Definition

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#linear-algebra #matrices #proof-writing #vectors
211
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Eigenvalues of element-wise ordered matrices

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#matrices #inequality #eigenvalues-eigenvectors #positive-definite
171
Views

For a real square matrix $S$ with all eigenvalues on the imaginary axis, does the following hold?

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#linear-algebra #matrices #eigenvalues-eigenvectors #matrix-decomposition #positive-definite
62
Views

Showing that $−i(U − E)(U + E)^{-1}$ is a Hermitian matrix.

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#linear-algebra #matrices
157
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An upper bound for $trace(XYXZ)$ in terms of $trace(X^2YZ)$

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#linear-algebra #matrices #trace #positive-definite
712
Views

Find the eigenvalues and their multiplicities of a special matrix

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#linear-algebra #matrices #eigenvalues-eigenvectors #determinant
92
Views

If $A$ and $B$ are two matrices, and $AB=I$ (of suitable order) is $BA=I$ always true?

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#matrices
797
Views

The spectral norm of real matrices with positive entries is increasing in its entries?

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#linear-algebra #matrices #normed-spaces #singular-values #spectral-norm
92
Views

positive-definite matrix with equal row sums

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#matrices #symmetric-matrices

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