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Lagrange interpolation well-conditioned?

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#linear-algebra #numerical-linear-algebra
305
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Factoring a matrix as the product of block triangular and diagonal matrices.

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#matrices #matrix-equations #numerical-linear-algebra #matrix-decomposition #kronecker-product
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What is a big condition number for a matrix?

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#matrices #inverse #numerical-linear-algebra #condition-number
337
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Find the relative condition number of $f(x,y) := y e^{4x^2}$ with respect to the 1-norm.

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#numerical-methods #numerical-linear-algebra #condition-number
286
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Incremental solution for matrix inverse using Shermann-Morrison in $O(n^2)$

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#linear-algebra #matrices #numerical-linear-algebra #machine-learning
238
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Find the norm of the matrix in Gauss-Seidel method

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#numerical-methods #numerical-linear-algebra
235
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Conditions for solving generalized Sylvester matrix equation XA + BX + CXD = E

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#linear-algebra #matrix-equations #numerical-linear-algebra #control-theory #sylvester-equation
2k
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Difference between R and Q in numbers

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#number-theory #numerical-linear-algebra
58
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Series where every element contains a mean of near elements

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#linear-algebra #algorithms #recurrence-relations #numerical-linear-algebra
68
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Generating correlated normal vectors with observations

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#statistics #numerical-linear-algebra #conditional-probability
181
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Proving an inequality based on condition number.

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#linear-algebra #inequality #normed-spaces #numerical-linear-algebra #condition-number
508
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Is there a fast way to compute the lowest eigenvalue of this symmetric PD matrix in this specific scenario?

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#linear-algebra #eigenvalues-eigenvectors #matrix-equations #numerical-linear-algebra #positive-definite
842
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Condition number of dot product of vectors

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#numerical-linear-algebra #condition-number
1.6k
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Spectral Radius $\leq$ min(1-norm, infinity norm)

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#linear-algebra #matrices #normed-spaces #numerical-linear-algebra #spectral-radius
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Rewriting product of special rank one updates as a low rank update

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#linear-algebra #numerical-methods #numerical-linear-algebra

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