ruby.git/lib/matrix.rb, branch ruby_1_9_2

* lib/matrix.rb (eql?, ==, minor): Fix bugs when comparing/returning some

2010-06-05T04:12:19+00:00

  empty matrices.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@28165 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/matrix.rb: trivial optimizations

2010-06-05T04:12:02+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@28164 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/matrix.rb (determinant): Trivial optimization (thanks to Benoit Daloze)

2010-05-17T21:50:31+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@27873 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* NEWS: List all changes to lib/matrix

2010-05-02T05:43:29+00:00

* 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

* lib/matrix.rb: Improve algorithm for Matrix#determinant and Matrix#rank

2010-04-29T18:19:12+00:00

  {determinant,det,rank}_e are now deprecated. [ruby-core:28273]
  Also fixes a bug in Determinant#rank (e.g. [[0,1][0,1][0,1]])

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27554 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/matrix.rb (Matrix#singular?, Matrix#regular?): raise on rectangular

2010-04-29T18:18:58+00:00

  matrices, and use determinant instead of rank.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27553 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/matrix.rb: New method Matrix.build [ruby-core:28272]

2010-04-11T20:10:43+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27315 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/matrix.rb: Deprecate Vector#elements_to{i/f/r}

2010-04-11T18:50:51+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27313 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/matrix.rb: Deprecate elements_to_{f/i/r}

2010-04-11T18:45:58+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27312 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

* lib/matrix.rb: Handle coercion errors by raising TypeErrors [ruby-core:26736]

2010-04-11T18:30:58+00:00

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27311 b2dd03c8-39d4-4d8f-98ff-823fe69b080e