diff options
| author | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-04-06 17:46:16 +0000 |
|---|---|---|
| committer | marcandre <marcandre@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2014-04-06 17:46:16 +0000 |
| commit | d11d87c3627e60a957f9313d2106f7a6d2b5f7a1 (patch) | |
| tree | db5bc7ce26a2794cc82504950d045c9f7691b584 /NEWS | |
| parent | b8ba202301e5e4cf392a827c9bb8ebf2265de99f (diff) | |
* lib/matrix.rb: Add Matrix#cofactor [fix GH-568]
Patch by gogotanaka
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@45528 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 2 |
1 files changed, 2 insertions, 0 deletions
@@ -31,6 +31,8 @@ with all sufficient information, see the ChangeLog file. * New methods: * Matrix#first_minor(row, column) returns the submatrix obtained by deleting the specified row and column. + * Matrix#cofactor(row, column) returns the (row, column) cofactor + which is obtained by multiplying the first minor by (-1)**(row + column). === Core classes compatibility issues (excluding feature bug fixes) |