diff options
| author | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-05-02 05:43:29 +0000 |
|---|---|---|
| committer | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2010-05-02 05:43:29 +0000 |
| commit | ec8b5d06257830ac277e3ea82dacd3761d6771ee (patch) | |
| tree | 07e23b91b4461c23bbdec0c09366a96eb7c886c5 /NEWS | |
| parent | c8e50abfe85fc5787b2b399ff00cf56d86dc7c50 (diff) | |
* NEWS: List all changes to lib/matrix
* lib/matrix.rb: Improve doc and style. Trivial optimizations.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27585 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 24 |
1 files changed, 24 insertions, 0 deletions
@@ -224,6 +224,30 @@ with all sufficient information, see the ChangeLog file. * do not raise ShiftingError if an aged file already exists. (no ShiftingError will be raised from 1.2.7, just warn() instead) +* matrix + * API change to adhere strictly to mathematical definitions: + * Matrices must now be rectangular. + * trace, regular?, singular? are defined only for square matrices + * support for empty matrices + * all integer matrices now have the right determinant (also an integer) + + * Matrix and Vector include Enumerable. + + * new methods: + * Matrix.build + * Matrix.empty + * Matrix#conj + * Matrix#conjugate + * Matrix#each + * Matrix#each_with_index + * Matrix#empty? + * Matrix#imag + * Matrix#imaginary + * Matrix#real + * Matrix#real? + * Matrix#rect + * Matrix#rectangular + * net/http * merged net/https. |