fixed another bug; added tests
Merge pull request #1 from hisohito/master

Unsafe accessors in SVD
added tests
Merge pull request #3 from hisohito/master

Sparse vectors instead double arrays
added tests from swap
added la4j logo
Update README.md
Update README.md
fixed an issue with matrix sources
updated pom.xml
fixed an issue with vector sources
fixed a typo
updated pom.xml
added rank method
fix typo in download url
Merge pull request #11 from aash/patch-1

fix typo in download url
made code improvement
Merge pull request #10 from jakrin/master

added rank() method
formated new code; fixed bug in determinant; added links to TODOs
fixed a bug in Matrix Market file IO