Tag: linear-algebra

63 Can Mathematica do symbolic linear algebra? 2012-03-20T12:49:25.380

44 How to enter matrices in block matrix format? 2012-01-26T16:11:57.253

44 Eigenvalues broken in Version 12.0 2019-05-18T00:31:25.863

42 How can I improve the speed of eigenvalue decompositions for large matrices? 2012-01-18T02:42:54.657

38 How to fit a linear model in the Bayesian way in Mathematica? 2019-07-14T14:34:04.873

37 eigenvector bug? 2013-08-13T03:41:47.190

35 CPU timing for matrix rank calculation difference between 10.3 and 10.4 and 11.0 2016-09-03T08:46:08.847

35 Complex eigenvalues from a sparse Hermitian matrix 2018-11-18T06:42:12.640

30 How to symbolically do matrix "Block Inversion"? 2012-01-17T21:28:21.207

30 Simplify matrix algebra 2013-02-22T07:06:13.007

30 Can (compiled) matrix permanent evaluation be further sped-up? 2013-12-02T18:32:55.807

29 Computing polynomial eigenvalues in Mathematica 2012-08-24T14:15:14.447

28 What are the counterparts in Wolfram to left and right division of a matrix in other programming language, e.g. Julia and MATLAB? 2017-12-04T12:32:29.957

26 Using the Krylov method for Solve: Speeding up a SparseArray calculation 2012-04-18T16:31:16.063

25 How to determine BLAS/LAPACK implementation used internally for numerical matrix operations? 2014-02-08T17:42:55.333

24 Find the eigenvector associated with the smallest eigenvalue, not smallest in magnitude 2014-03-17T03:35:06.683

24 Wrong eigenvalues from a sparse matrix 2018-03-30T13:40:37.777

22 How get eigenvectors without phase jump? 2014-06-29T02:22:53.303

22 How to know the usage of undocumented function like LinearAlgebra`BLAS? 2015-11-26T01:34:57.733

22 Transform sphere to an ellipse in $\mathbb{R}^2$ 2016-09-30T17:12:26.727

22 Eigenvalues broken in 11.2? 2018-02-07T13:05:46.117

21 Higher order SVD 2012-05-21T22:35:26.193

21 Nearest Kronecker Product 2015-08-15T00:25:10.903

20 LinearSolve and Krylov Method options 2015-05-05T13:04:29.053

20 Sparse Cholesky Decomposition 2015-11-05T13:48:57.383

20 How to check if a vector is an eigenvector of a matrix using mathematica? 2017-11-27T19:16:35.023

19 Differentiating functions of vectors/matrices? 2017-02-26T19:53:14.660

19 Tracking Eigenvalues Through a Crossing 2018-02-04T20:49:36.410

19 Generate coefficient array from general formula of linear equation system 2019-06-19T07:11:29.583

18 Axis/Angle from rotation matrix 2013-08-06T10:41:49.290

18 Speedup matrix number multiplication 2016-05-14T01:24:58.170

17 Is there a clean way to extract the subspaces invariant under a list of matrices? 2012-06-07T06:21:30.040

17 Decomposing a matrix with polynomial elements into a polynomial with matrix coefficients 2012-06-29T14:25:35.287

17 Compiling LinearSolve[] or creating a compilable procedural version of it 2013-01-14T20:21:50.040

17 Block Matrix Algebra with Mathematica 2013-11-26T09:41:21.767

17 Matrix Multiplication in context of row and column vectors 2014-01-13T22:29:33.720

17 Simple Matrix multiplication takes very long 2015-07-09T14:54:23.223

17 How to speed up `RotationMatrix`? 2017-12-03T12:38:51.033

16 Space-efficient null space of sparse array 2012-06-13T20:06:17.013

16 Mathematica for linear algebra course? 2012-09-08T07:19:41.870

16 Badly conditioned matrix (General::luc) 2013-02-16T19:16:08.200

16 Plot MATLAB icon 2014-02-27T04:19:07.450

15 Why is MainEvaluate being used when LinearSolve can be compiled? 2012-02-02T18:08:33.283

15 Correcting a correlation matrix to be positive semidefinite 2012-08-31T02:35:45.357

15 More efficient matrix-vector product 2013-01-15T13:35:23.073

15 Is there a built-in procedure for simultaneous diagonalization of a set of commuting matrices? 2014-04-28T15:13:27.073

15 Efficient solution of huge sparse linear system 2015-11-15T17:21:51.220

15 more numerically accurate inverse matrix 2015-12-17T04:59:13.353

15 Factorize trigonometric matrices 2017-04-07T19:34:09.320

15 How to solve this matrix equation 2020-01-19T05:43:35.637

14 Constructing a symbolic Hermitian matrix 2012-05-13T17:38:54.317

14 What's the most "functional" way to do Cholesky decomposition? 2012-06-11T14:19:44.773

14 How to show matrix multiplication step by step? 2014-10-05T15:00:44.323

14 $3\times 3 = 6 + \bar{3}$ in Mathematica? 2015-01-23T23:08:44.937

14 Is there a simple and fast way to delete dependent lines of a matrix 2017-06-28T14:43:32.753

14 Solving "Resistance between two nodes on a grid" problem in Mathematica 2019-03-12T18:28:52.703

13 Can Eigenvalues[] and Eigenvectors[] be assumed to return the same ordering? 2012-02-16T01:32:50.383

13 What is the fastest way to find an integer-valued row echelon form for a matrix with integer entries? 2012-06-01T16:29:56.033

13 How can I compute the representation matrices of a point group under given basis functions? 2012-09-15T09:44:28.343

13 Toggle visibility of elements in a plot 2012-09-25T11:24:52.450

13 Eigenvector corresponding to a specific eigenvalue already found earlier 2013-07-09T17:24:07.397

13 Is there a built-in function to find the adjoint of a matrix? 2013-11-28T01:26:10.410

13 Has Mathematica a function to compute the Smith Normal Form? 2014-01-22T16:39:50.207

13 What type of solver does Mathematica use in LinearSolve 2014-03-12T08:13:55.800

13 Visualization of matrix transformations 2014-04-19T04:58:15.237

13 Morphological Filtering in 3D to produce skeletons 2014-10-05T18:36:31.790

13 Get Eigensystem to return orthogonal eigenvectors for Hermitian matrix 2015-01-31T15:12:17.040

13 $\mathbf L\mathbf D\mathbf L^\top$ Cholesky decomposition 2015-05-14T17:42:07.833

13 Why is Mathematica eating a row from QRDecomposition 2015-08-01T03:07:50.173

13 Difficulty using LUDecomposition 2015-08-01T03:31:08.247

13 Application of the projection matrix: Removing perspective distortion 2016-07-30T14:06:12.157

13 Specifying initial vector for finding Eigenvectors using Arnoldi method 2017-03-08T19:09:43.570

13 How to efficiently compute the partial trace of a matrix? 2017-03-13T22:42:25.687

12 Eigenvalues and Determinant of a large matrix 2013-02-27T16:37:16.017

12 Gram-Schmidt Process for Polynomials 2013-03-25T15:03:26.860

12 How to estimate the matrix condition number in the 2-Norm? 2014-07-09T15:15:09.857

12 Is it possible to implement symbolic sub matrices? 2014-10-06T17:40:20.450

12 Polar Decomposition 2015-01-10T11:53:22.567

12 Possible Method for MatrixExp 2015-05-18T09:11:33.550

12 Analytic determinant of a sparse 25x25 matrix? 2015-08-18T23:02:01.930

12 Sorting eigenvectors according to its projection 2015-10-01T06:04:33.663

12 How to interpret the results of PCA 2016-01-21T13:31:04.993

12 Why does MatrixFunction with Sinc return this error? 2016-10-11T02:05:47.640

12 multiplication of vector spaces 2017-01-10T08:37:24.283

12 Dot not well-defined: are there better examples? 2017-06-15T22:31:20.763

12 What algorithm is Mathematica using to find the smallest eigenvalue so quickly? 2017-06-20T19:15:38.780

12 How can I reproduce the result of PrincipalComponents 2017-09-11T03:37:00.297

12 What does LinearSolve Preconditioner do? 2018-05-01T12:50:49.113

11 Computing eigenvectors and eigenvalues 2012-02-19T18:25:44.280

11 Memory Leak in RowReduce? 2012-06-12T18:18:03.200

11 Find Determinant/or Row Reduce parameter dependent matrix 2012-06-28T01:41:50.823

11 Computations in the exterior algebra 2013-11-26T05:14:18.397

11 Mathematica package for explicit matrix representations of group generators? 2015-08-05T09:05:42.387

11 Incorrect Left and Right Eigenvectors in Mathematica 2016-01-31T02:03:55.707

11 Expressing the n-th power of a matrix 2016-02-17T03:07:32.093

11 MatrixPower with Modulus 2016-08-05T12:33:02.880

11 How to speed up calculations on big symbolic matrices? 2016-10-23T20:11:32.647

11 Making an interactive visualization of the eigenvectors of two-dimensional matrices 2018-11-09T00:44:04.660

11 Minimizing expression over symmetric matrices 2019-12-01T03:12:13.360