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Generating a random sparse hermitian matrix in Python

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#matrices #numerical-linear-algebra #random #python #sparse-matrices
418
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Why does the Lanczos algorithm fail on repeated/multiple eigenvalues?

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#analysis #numerical-methods #eigenvalues-eigenvectors #numerical-linear-algebra
15.5k
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How to inverse a block diagonal matrix?

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#matrices #numerical-linear-algebra #matrix-decomposition
238
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Is $det(A)=0$ a good indicator to say that a matrix is not invertible?

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#matlab #numerical-linear-algebra #sparse-matrices
1.7k
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Outer product reformulation of LU decomposition

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#algorithms #numerical-linear-algebra #gaussian-elimination #python #outer-product
314
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How to find a sparse basis of the null space of a large sparse matrix using QR decomposition

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#numerical-linear-algebra
117
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How to block diagonalize a real skew-symmetric matrix of 3*3

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#matrices #lie-groups #lie-algebras #numerical-linear-algebra #rotations
200
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Boundedness of the spectral radius of matrices $A^h$ as $h\to 0.$

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#linear-algebra #ordinary-differential-equations #numerical-methods #numerical-linear-algebra
73
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The expected value of the second pivot in gauss jordan eliminaton

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#linear-algebra #numerical-linear-algebra #expected-value
286
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Distance from eigenspace of matrix

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#linear-algebra #eigenvalues-eigenvectors #algorithms #terminology #numerical-linear-algebra
65
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Solving linear equations system using inverse matrix and finding back this matrix by using linear equations

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#linear-algebra #matrix-equations #numerical-linear-algebra
520
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Finding the householder transformation given $P = P(w)$ such that $P(w) x = e_{1}$

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#linear-algebra #numerical-methods #numerical-linear-algebra
61
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Numerical Analysis - $n$-sided polygon tangential

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#numerical-methods #numerical-linear-algebra #polygons #extrapolation
252
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Trouble solving for the Jacobian update formula in Broyden's method

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#numerical-methods #numerical-linear-algebra
393
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How do I determine the weights and abscissas in the 1 and 2-point Gauss quadrature given a weight function?

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#integration #numerical-methods #numerical-linear-algebra #gaussian-integral

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