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5 votes
4 answers
1k views

Replacing a column of a matrix

0 votes
1 answer
52 views

Block matrix of arbitrary dimensions

1 vote
2 answers
298 views

How to ask Mathematica to find the nontrivial (nonzero) solution of a homogeneous system of equations?

6 votes
6 answers
356 views

Canonical way to map a function to diagonal elements of a square matrix?

0 votes
1 answer
113 views

How to incorporate boundary conditions?

2 votes
2 answers
85 views

Using Mathematica to perform matrix operations which depend on variables

8 votes
6 answers
281 views

Matrix crop (remove leading and trailing zeroes in matrix)

3 votes
10 answers
487 views

Function to replace values of elements of matrix with 0 unless the value is -1

3 votes
4 answers
236 views

How to compare and remove x-coordinates (and the associated y-coordinates) that are less than previous x-coordinates?

9 votes
8 answers
3k views

Nonzero element positions of a matrix

3 votes
3 answers
233 views

Replace a column/row of a matrix under a condition by a random number

1 vote
1 answer
37 views

Wishart distribution implementation with positive semidefinite scale matrix

0 votes
0 answers
37 views

Issue with simplifying an expression with "ConjugateTranspose"

4 votes
2 answers
114 views

Fitting Eigenvalues of a 8*8 matrix to experimental data

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