Kevinrobayna's Gems

#	Total Rank	Daily Rank	Name	Summary
1	66,179	157,485	sparse_matrix	Build a sparse matrix from dense matrix
2	138,038	84,598	csbook	CSBooK is a site book generator
3	143,490	110,973	ruby_math	Gem for mathematics method and different data structure like complex and vector and mat...