From 439a1e64d17d31ba53ed097a432ecc0df522a0fb Mon Sep 17 00:00:00 2001 From: marcandre Date: Tue, 20 Oct 2009 19:01:31 +0000 Subject: [PATCH] * lib/matrix.rb (empty): Improved rdoc git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@25422 b2dd03c8-39d4-4d8f-98ff-823fe69b080e --- lib/matrix.rb | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/lib/matrix.rb b/lib/matrix.rb index 2b50e40fa5..7c546c3a7a 100644 --- a/lib/matrix.rb +++ b/lib/matrix.rb @@ -229,8 +229,15 @@ class Matrix # # Creates a empty matrix of +row_size+ x +column_size+. # +row_size+ or +column_size+ must be 0. - # Matrix.empty(4,0).inspect_org - # => "#" + # + # m = Matrix.empty(2, 0) + # m == Matrix[ [], [] ] + # => true + # n = Matrix.empty(0, 3) + # n == Matrix.columns([ [], [], [] ]) + # => true + # m * n + # => Matrix[[0, 0, 0], [0, 0, 0]] # def Matrix.empty(row_size = 0, column_size = 0) Matrix.Raise ErrDimensionMismatch if column_size != 0 && row_size != 0