Mathematica Stack Exchange

3

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1

answer

49

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Selecting unique column position of a non-zero value for each row of a matrix

list-manipulation matrix linear-algebra

modified 59 mins ago kglr 198k

10

votes

3

answers

477

views

Optimising subdiagonal shift matrix generation time

matrix performance-tuning sparse-arrays

modified 5 hours ago Exp ikx 223

4

votes

5

answers

141

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Generate random non-zero “island” in matrix of zeros

matrix random functional-style

modified 13 hours ago Henrik Schumacher 64.1k

1

vote

0

answers

33

views

Print 4x4x4x4 tensor as 4x4 matrix of 4x4 matrices

list-manipulation matrix tensors

modified yesterday user64494 3,968

2

votes

1

answer

33

views

How to import a part of an Excel file?

matrix import excel

modified yesterday user64494 3,968

0

votes

0

answers

71

views

Solving a matrix stochastic DE in terms of given parameters

differential-equations matrix stochastic-calculus

modified 2 days ago Xminer 567

0

votes

2

answers

42

views

Mathematica doesn't evaluate/simplify arithmetic expression in its output

matrix simplifying-expressions arithmetic

answered Jun 12 at 17:55 Roman 11.3k

1

vote

2

answers

32

views

NSolve cannot find solution to system of trig equations

equation-solving matrix trigonometry

modified Jun 12 at 13:00 Tim Laska 1,191

0

votes

0

answers

12

views

Solve, store, and access eigenvalues and eigenstates of M[x,y], for various points {x,y}

list-manipulation functions matrix linear-algebra eigenvalues

asked Jun 11 at 18:15 Paul Eugenio 8

0

votes

0

answers

31

views

How to export a multidimensional array in which each element is also an array?

matrix export import

modified Jun 11 at 15:51 Delaram Nematollahi 123

1

vote

2

answers

59

views

Matrix with simplified EngineeringForm

matrix

modified Jun 8 at 21:01 Community♦ 1

0

votes

0

answers

93

views

Plotting a user defined function involving matrix multiplication

matrix function-construction

modified Jun 8 at 0:01 m_goldberg 90.6k

1

vote

0

answers

25

views

Bug in SmithDecomposition?

matrix linear-algebra

asked Jun 5 at 19:33 Gert 11

3

votes

1

answer

42

views

How can I arrange the columns of a transposed matrix in an special way?

matrix

modified Jun 4 at 15:03 Roman 11.3k

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Selecting unique column position of a non-zero value for each row of a matrix

Optimising subdiagonal shift matrix generation time

Generate random non-zero “island” in matrix of zeros

Print 4x4x4x4 tensor as 4x4 matrix of 4x4 matrices

How to import a part of an Excel file?

Solving a matrix stochastic DE in terms of given parameters

Mathematica doesn't evaluate/simplify arithmetic expression in its output

NSolve cannot find solution to system of trig equations

Solve, store, and access eigenvalues and eigenstates of M[x,y], for various points {x,y}

How to export a multidimensional array in which each element is also an array?

Matrix with simplified EngineeringForm

Plotting a user defined function involving matrix multiplication

Bug in SmithDecomposition?

How can I arrange the columns of a transposed matrix in an special way?

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