Mathematica Stack Exchange is a question and answer site for users of Wolfram Mathematica. It only takes a minute to sign up.

Sign up to join this community

Anybody can ask a question

Anybody can answer

The best answers are voted up and rise to the top

Explore our Questions

Ask Question

more tags

Active Hot Week Month

2

votes

0

answers

54

views

Lanczos method to tridagonalize a matrix

matrix mathematical-optimization compile

modified yesterday Rasoul-Ghadimi 661

0

votes

1

answer

76

views

Regression of a set of (2-element) vectors on another set of (2-element) vectors

matrix fitting

modified 2 days ago CommunityBot 1

0

votes

0

answers

18

views

Refer to entry of input matrix in SparseArray

matrix sparse-arrays

asked Oct 19 at 13:23 user984949 1

0

votes

0

answers

52

views

matrix problem: evaluation of column values which depend on a variable

matrix linear-algebra procedural-programming

modified Oct 18 at 16:05 Ioanna 1

1

vote

1

answer

65

views

Concatenating matrices using headings

list-manipulation matrix linear-algebra array concatenation

modified Oct 14 at 22:03 andre314 16.5k

3

votes

5

answers

163

views

how to add rows to a matrix to achieve a given order

matrix

answered Oct 14 at 13:33 Alan 11.5k

5

votes

1

answer

139

views

Conditional sorting of columns in a matrix

list-manipulation matrix sorting

modified Oct 14 at 9:07 Syed 2,861

26

votes

7

answers

2k

views

Add a vector to a list of vectors

list-manipulation matrix vector

modified Oct 13 at 8:51 chyanog 12.8k

1

vote

1

answer

70

views

How do i create a function which returns a table/matrix in mathematica?

matrix table conditional

modified Oct 12 at 17:37 Michael Seifert 11.6k

2

votes

0

answers

70

views

Extract the dynamical map from the density matrix

matrix

modified Oct 12 at 17:21 dan 103

6

votes

1

answer

264

views

Calculating the trace of the product of several matrices

matrix performance-tuning

modified Oct 9 at 20:36 Henrik Schumacher 90.6k

0

votes

0

answers

43

views

Block Matrix Algebra of Implicit Matricies

matrix linear-algebra

asked Oct 7 at 15:13 Running_Quark 53

1

vote

1

answer

95

views

Is it possible to insert/add an array (row or columns) in a matrix?

matrix linear-algebra insert

modified Oct 5 at 12:46 flinty 19.3k

0

votes

1

answer

72

views

sum of symmetric matrix is not symmetric

matrix

modified Oct 5 at 7:02 CommunityBot 1

Browse more Questions

Mathematica Stack Exchange works best with JavaScript enabled