Muhammad Shafique
United Nations University
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Question
How to create a symmetric random matrix?
Hello, I need to create a random matrix meeting the following conditions: - The values on the main diagonal are between a ...
11 years ago | 5 answers | 0
5
answersQuestion
Matrix of ratios w.r.t. row or colum header
I have very large symmetric matrices in which first row and column are headers that represent the size of different groups and t...
12 years ago | 1 answer | 0
1
answerQuestion
How to turn certain parts/blocks of a large matrix to zero while keeping the rest of the original matrix intact?
Hi. I have a large weighted matrix, about 1000*7000 order. I need to turn certain blocks of this matrix (with known range of row...
14 years ago | 1 answer | 0
1
answerQuestion
How to convert row and column vectors of a symmetric matrix to zero if diagonal value is zero?
I have symmetric matrices of large size. I need to ensure that if there are any zeros on the main diagonal, then their correspon...
14 years ago | 2 answers | 0
2
answersQuestion
How to extract a matrix from correlation matrix where r is positive and p-value significant
Hello, From a certain correlation matrix accompanied by p-values [r, p], I need to extract a new matrix where all those correlat...
14 years ago | 1 answer | 0
1
answerQuestion
reshuffle a symmetric matrix
Hi all, I have a large symmetric matrix (600*600)and need to reshuffle the elements randomly while keeping the matrix symmetric...
14 years ago | 1 answer | 1
