Kevinrobayna's Gems

#	Total Rank	Daily Rank	Name	Summary
1	69,499	19,471	sparse_matrix	Build a sparse matrix from dense matrix
2	143,973	127,148	csbook	CSBooK is a site book generator
3	148,412	90,691	ruby_math	Gem for mathematics method and different data structure like complex and vector and mat...