https://macaulay2.com/doc/Macaulay2/share/doc/Macaulay2/Macaulay2Doc/html/_direct__Sum.html
directSum -- direct sum of modules or maps
directsummodulesmaps
https://juliapkgstats.com/pkg/DirectSum?timeframe=30d&trendingPeriod=14d&userData=true&ciData=false&missingData=false
DirectSum - Julia Package Statistics | Julia Package Statistics
Download statistics, trends, and analytics for the DirectSum Julia package. View daily, weekly, and monthly download data.
juliapackagestatistics