原文:Leetcode: Sparse Matrix Multiplication

ms solution: use one HashTable: ms The idea is derived froma CMU lecture. A sparse matrix can be represented as a sequence of rows, each of which is a sequence of column number, value pairs of the no ...

2015-12-31 07:57 0 2301 推荐指数:

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[LeetCode] Sparse Matrix Multiplication

Problem Description: Given two sparse matrices A and B, return the result of AB. You may assume that A's column number is equal to B's row number. ...

Thu Dec 03 21:39:00 CST 2015 0 4329
sparse.coo_matrix()

coo_matrix.tocsr(copy = False ) 将此矩阵转换为压缩稀疏行格式,重复的条目将汇总在一起。 举例: from numpy import array from scipy.sparse import coo_matrix row = array ...

Fri Mar 29 06:56:00 CST 2019 0 779
An Simple Method for Sparse Matrix Optimization by GPU

这是一个相当simple & naive的方法,几行代码完成的CSR稀疏矩阵格式的优化,剔除0元素。由于目前AMD的OpenCL SDK依旧没有赶上NVIDIA CUDA SDK的进度——新的 ...

Fri Mar 16 18:36:00 CST 2012 1 2850
 
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