Kevinrobayna's Gems

#	Total Rank	Daily Rank	Name	Summary
1	69,483	80,626	sparse_matrix	Build a sparse matrix from dense matrix
2	143,619	80,626	csbook	CSBooK is a site book generator
3	148,056	80,626	ruby_math	Gem for mathematics method and different data structure like complex and vector and mat...