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Tagged with expression-construction sparse-arrays
3
questions
7
votes
5
answers
654
views
Elegant method of generating this matrix?
Good evening,
I need to determine an elegant (as possible) method of computing an $n\times n$ matrix below (the matrix shown is just a $16\times16$ example). I've been toying with ...
- 771
19
votes
2
answers
786
views
Additive SparseArray Assembly
The goal is to assemble a SparseArray in an additive fashion.
Let us assume we have a large List of indices (some will be ...
- 758
8
votes
3
answers
1k
views
How to create a large sparse block matrix
I need to generate a very large sparse block matrix, with blocks consisting only of ones along the diagonal. I have tried several ways of doing this, but I seem to always run out of memory.
The ...
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