Questions about sparse-matrix
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Case of using OpenMP for multi-threading of a matrix factorization calculation of an existing serial code
I came across a code that uses a low-performance series for loop for calculating so-called "Crout factorization". If you need to know more I think the concept is similar to what is described...
Saeid
Votes: 0
Answers: 1
How to efficiently create a CSR row_index vector in python?
I am trying to create a CSR matrix with m rows, n columns, filled with zeroes and ones (at most one per column). I have a numpy array idcs with indices where my 1s are located, ranging from x to n.
My...
hawkspar
Votes: 0
Answers: 1
Create sparse matrix in parallel in Julia
I am trying to parallelize the creation of a sparse matrix in Julia. Inspired by this post this post I am trying this:
using Distributed
addprocs(4)
@everywhere using DistributedArrays
rows = [Int[] ...
Shep Bryan
Votes: 0
Answers: 1
Using 3d sparse input with partial shape in Keras/Tensorflow gives error
I am trying to create a dense neural network where my input is a sparse 3d matrix. When converted to a dense matrix the shape is (2, None, n) (where n is a number of features and is fixed.) My keras a...
deepAgrawal
Votes: 0
Answers: 1