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2014-11-27* lib.matrix.rb: Fix typo. Patch by Dimitrios Zorbas. [GH-772]marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48595 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-11-19* lib/matrix.rb: Vector#independent? and associated class methodmarcandre
patch by gogo tanaka [#10451] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48506 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-11-19* lib/matrix.rb: Add Vector#angle_withmarcandre
Patch by Egunov Dmitriy [#10442] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48505 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-10-29* lib/matrix.rb: Generalize Vector#cross_product to arbitrary dimensionsmarcandre
based on a patch by gogo tanaka [#10074] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48183 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-10-29* lib/matrix.rb: Add Matrix#adjucatemarcandre
patch by gogo tanaka [#10056] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48182 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-10-29* lib/matrix.rb: Add aliases for Vector#cross & dotmarcandre
patch by gogo tanaka [#10352] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@48181 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-10-07* lib/matrix.rb: Add @- and @+ for Matrix and Vector.marcandre
patch by gogo tanaka [#10068] [#10069] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47840 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-10-07* lib/matrix.rb: Add Matrix#laplace_expansion.marcandre
patch by gogo tanaka [#10073] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47835 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-10-07* lib/matrix.rb: Add Vector.basis.marcandre
Based on patch by gogo tanaka [#10072] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47833 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-10-03* lib/matrix.rb: Add hstack & vstack methods.marcandre
Based on a patch by creasywuqiong. [Fix GH-344] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47769 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-10-03* lib/matrix.rb: Fix Matrix.rows copy bug.marcandre
Patch by Arron Mabrey. [Fix GH-707] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47768 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-09-24* lib/matrix.rb: Fix docs. Patched by Ben Woodall. [GH-726]ayumin
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@47710 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-07-18* lib/matrix.rb: Avoid using `and`.marcandre
Patch by gogo tanaka [#10058] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46862 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-07-11* lib/matrix.rb: Fix sign for cross_product [#9499]marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@46780 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-04-06* lib/matrix.rb: Add Matrix#cofactor [fix GH-568]marcandre
Patch by gogotanaka git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45528 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-04-06* lib/matrix.rb: Add first_minor [fix GH-568]marcandre
Patch by gogotanaka git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45527 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2014-04-06* lib/matrix: Handle empty diagonal matrix case [fix GH-576]marcandre
Patch by gogotanaka git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45524 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-04-19* lib/matrix.rb: Fix typo in rdocmarcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40382 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-04-13* lib/matrix.rb: Add Vector#cross_product, patch by Luis Ezcurdiamarcandre
[fix GH-276] [rubyspec:81eec89a124] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40273 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-02-05* lib/matrix.rb: Fix error message, patch by pypypy [Bug #7777]marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@39065 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2013-01-30* lib/matrix.rb: Take conjugate for inner productmarcandre
[rubyspec:5a01ad5719f2] [ruby-dev:46101] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38983 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-12-17* lib/matrix.rb (#dup): typo in example [ruby-core:50946][Bug #7582]zzak
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38425 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-12-10* lib/matrix: alias {row|column}_size to {row|column}_count and use the latter.marcandre
[Bug #7369] [ruby-core:49409] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@38300 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-10-28* lib/matrix.rb: Fix determinant_e [ruby-dev:46305] [Bug #7228]marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37368 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-10-25revert r37326 "remove string literal concatenation"nobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37328 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-10-25remove string literal concatenationnobu
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@37326 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-09-03matrix.rb: complex vectornobu
* lib/matrix.rb (Vector#magnitude): accumulate squares of absolute values to fix for complex vector. [ruby-dev:46100] [Bug #6966] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36887 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-04-16* lib/matrix.rb (hermitian?): Bug fix, patch by George Koehlermarcandre
[Bug #6290] [rubyspec:4b9573d7613] git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@35344 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2012-01-26* lib/matrix.rb: Clean up extra whitespace in output documentation.drbrain
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34378 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-12-30* lib/matrix.rb (symmetric?): Trivial optimizationmarcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@34160 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-09-10* lib/matrix.rb: Deal with subclasses of Matrix [redmine #5307]marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@33246 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-07-09Remove duplicated definition.naruse
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32479 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-07-09* lib/matrix.rb: Add Vector#normalize [ruby-dev:43829]marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32467 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-07-01* lib/matrix: Add LUP decompositionmarcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32353 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-07-01* lib/matrix.rb: Allow non integer exponents for Matrix#**marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32352 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-07-01* lib/matrix: Add Eigenvalue Decompositionmarcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32351 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-07-01* lib/matrix: Add Matrix#roundmarcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32350 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-06-29* lib/matrix.rb: Matrix.zero can build rectangular matrices.marcandre
Vector#r should be called #magnitude git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32280 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-06-29* lib/matrix.rb: Add Matrix#diagonal?, hermitian?, normal?, orthogonal?marcandre
permutation?, symmetric?, {lower|upper}triangular?, unitary?, zero? git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32279 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-06-29* lib/matrix.rb: Specialize Matrix#find_index to return [row, col]marcandre
and accept the same optional argument as #each git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32278 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2011-06-29* lib/matrix.rb: Matrix#each{_with_index} can iterate over a subset of the ↵marcandre
Matrix git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@32277 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-06-23Clean warnings: unused variables.naruse
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28398 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-06-05* lib/matrix.rb (eql?, ==, minor): Fix bugs when comparing/returningmarcandre
some empty matrices. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28167 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-06-05* lib/matrix.rb: trivial optimizationsmarcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28166 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-05-17* lib/matrix.rb (determinant): Trivial optimization (thanks to Benoit Daloze)marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27868 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-05-02* NEWS: List all changes to lib/matrixmarcandre
* 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
2010-04-29* lib/matrix.rb: Improve algorithm for Matrix#determinant and Matrix#rankmarcandre
{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
2010-04-29* lib/matrix.rb (Matrix#singular?, Matrix#regular?): raise on rectangularmarcandre
matrices, and use determinant instead of rank. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27553 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-04-11* lib/matrix.rb: New method Matrix.build [ruby-core:28272]marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27315 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2010-04-11* lib/matrix.rb: Deprecate Vector#elements_to{i/f/r}marcandre
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@27313 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
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