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definiteness of asymmetric matrices

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#linear-algebra #matrices #symmetric-matrices #positive-definite
124
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Span of positive (semi)definite matrices

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#linear-algebra #matrices #symmetric-matrices #positive-semidefinite #semidefinite-programming
56
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Eigenvalues of a squared symmetric matrix

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#matrices #eigenvalues-eigenvectors #matrix-decomposition #symmetric-matrices #schur-decomposition
75
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How to calculate the differentiation of this expressions which contains matrix variable?

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#derivatives #partial-derivative #matrix-equations #matrix-calculus #symmetric-matrices
281
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Prove that condition number of a matrix increases in its dimension

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#linear-algebra #eigenvalues-eigenvectors #symmetric-matrices #correlation #condition-number
122
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Why does Wolfram say this symmetric matrix has complex eigenvalues?

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#matrices #eigenvalues-eigenvectors #symmetric-matrices
43
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Projecting a symetric matrix on a subspace of known kernel

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#linear-algebra #matrices #numerical-linear-algebra #symmetric-matrices #projection
409
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Iterative algorithm for computing $\Sigma^{1/2} x$

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#matrices #algorithms #numerical-linear-algebra #symmetric-matrices #positive-semidefinite
25
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Eigenspace and structured matrices

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#linear-algebra #eigenvalues-eigenvectors #normal-distribution #matrix-decomposition #symmetric-matrices
72
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Trace of square of a rank-$1$ Hermitian matrix ${\bf A} = {\bf a}{\bf a}^H$

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#linear-algebra #matrices #symmetric-matrices #matrix-analysis #rank-1-matrices
72
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If $A$ is symetric and positive definite, when will $A + B$ be invertible?

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#matrices #inverse #symmetric-matrices #positive-definite
64
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Inequality involving quadratic forms for positive definite symmetric matrices

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#linear-algebra #vectors #quadratic-forms #symmetric-matrices
105
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Matrix relations involving trace and eigenvalues

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#linear-algebra #matrices #eigenvalues-eigenvectors #symmetric-matrices #linear-matrix-inequality
101
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Eigenvalues of a symmetric tridiagonal matrix

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#matrices #eigenvalues-eigenvectors #symmetric-matrices #tridiagonal-matrices
57
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On the transitivity of the Löwner order

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#matrices #reference-request #order-theory #symmetric-matrices #positive-semidefinite

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