Kevinrobayna's Gems

#	Total Rank	Daily Rank	Name	Summary
1	67,112	63,432	sparse_matrix	Build a sparse matrix from dense matrix
2	139,521	63,432	csbook	CSBooK is a site book generator
3	145,158	41,916	ruby_math	Gem for mathematics method and different data structure like complex and vector and mat...