sparse-matrix

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Matlab - Sparse Matrix system resolution

I\'m involved in the resolution of a system of the type Ax = b, where A is a square sparse matrix, x is the vector of the unknows (I have to compute it) and b is a vector of all zeros excpet for the l[详细]

2023-02-21 00:28 分类：问答
matlab: sparse matrix decomposition

I am a beginner to matlab. I have a sample code. I want to understand 开发者_C百科what is happening with the piece of code snippet.[详细]

2023-02-20 12:51 分类：问答
how to use CUDA for multiplying sparse matrices(over gf(2) field) for block lanczos algorithm?

I have an Academic project to do which relates to block lanczos algorith (Montengro\'s version). I have a problem designing the algorithm 开发者_如何学JAVAfor the implementation of block lanczos, can[详细]

2023-02-20 00:28 分类：问答
Data structure for a sparse matrix where elements are randomly distributed

I couldn\'t think of anything else开发者_如何学运维 except a linked list.. Any better idea?If you\'re storing elements in a matrix, you may want to consider using a hash table from coordinates to thei[详细]

2023-02-19 22:33 分类：问答
Representing an sparse matrix in Java using linked lists

I\'m making a little program to make a representation of sparse matrixes (a matrix with a lot of elements equal to zero). Represented like this page 108 (I think watching at the figure is enough to un[详细]

2023-02-19 08:54 分类：问答
When I convert a matrix into "transactions" for use with the arules package all of my values become 0

I am trying to ao apply the apriori algorithm to a binary matrix, but all of my values are returning 0.[详细]

2023-02-18 17:49 分类：问答
Applications of Dense Linear Algebra

What are the common real-world applications of Dense Linear Algebra? Many problems can be easily described and efficiently computed using Linear Algebra as a common language between human and compute[详细]

2023-02-16 12:36 分类：问答
Distance Metric for clustering elements in a sparse matrix

I am attempting to cluster approximately 12000 elements based on approximately 1200 binary开发者_开发问答 variables using K-means.None of the conventional distance metrics (euclidean, manhattan, Hammi[详细]

2023-02-16 00:26 分类：问答
How do I change the representation while storing a sparse matrix in python?

The sparse matrix representation is of the form: (i,j)value I want to store these values 开发者_JS百科to a text file in 3 columns namely:[详细]

2023-02-15 10:30 分类：问答
Matlab Question on Sparse Matrices

I have a sparse matrix S. I perform the following operation D1 = diag(sum(S,2)), basically forming a diagonal matrix.[详细]

2023-02-14 22:09 分类：问答