ayumin	2014-09-25 07:54:10 +0900 (Thu, 25 Sep 2014)

  New Revision: 47710

  http://svn.ruby-lang.org/cgi-bin/viewvc.cgi?view=revision&revision=47710

  Log:
    * lib/matrix.rb: Fix docs. Patched by Ben Woodall. [GH-726]

  Modified files:
    trunk/ChangeLog
    trunk/lib/matrix.rb
Index: ChangeLog
===================================================================
--- ChangeLog	(revision 47709)
+++ ChangeLog	(revision 47710)
@@ -1,3 +1,7 @@ https://github.com/ruby/ruby/blob/trunk/ChangeLog#L1
+Thu Sep 25 07:51:07 2014  Ayumu AIZAWA  <ayumu.aizawa@g...>
+
+	* lib/matrix.rb: Fix docs. Patched by Ben Woodall. [GH-726]
+
 Wed Sep 24 19:04:04 2014  Martin Duerst <duerst@i...>
 
 	* enc/unicode/data: New directory for downloaded Unicode
Index: lib/matrix.rb
===================================================================
--- lib/matrix.rb	(revision 47709)
+++ lib/matrix.rb	(revision 47710)
@@ -641,7 +641,7 @@ class Matrix https://github.com/ruby/ruby/blob/trunk/lib/matrix.rb#L641
   #++
 
   #
-  # Returns +true+ is this is a diagonal matrix.
+  # Returns +true+ if this is a diagonal matrix.
   # Raises an error if matrix is not square.
   #
   def diagonal?
@@ -658,7 +658,7 @@ class Matrix https://github.com/ruby/ruby/blob/trunk/lib/matrix.rb#L658
   end
 
   #
-  # Returns +true+ is this is an hermitian matrix.
+  # Returns +true+ if this is an hermitian matrix.
   # Raises an error if matrix is not square.
   #
   def hermitian?
@@ -669,14 +669,14 @@ class Matrix https://github.com/ruby/ruby/blob/trunk/lib/matrix.rb#L669
   end
 
   #
-  # Returns +true+ is this is a lower triangular matrix.
+  # Returns +true+ if this is a lower triangular matrix.
   #
   def lower_triangular?
     each(:strict_upper).all?(&:zero?)
   end
 
   #
-  # Returns +true+ is this is a normal matrix.
+  # Returns +true+ if this is a normal matrix.
   # Raises an error if matrix is not square.
   #
   def normal?
@@ -694,7 +694,7 @@ class Matrix https://github.com/ruby/ruby/blob/trunk/lib/matrix.rb#L694
   end
 
   #
-  # Returns +true+ is this is an orthogonal matrix
+  # Returns +true+ if this is an orthogonal matrix
   # Raises an error if matrix is not square.
   #
   def orthogonal?
@@ -712,7 +712,7 @@ class Matrix https://github.com/ruby/ruby/blob/trunk/lib/matrix.rb#L712
   end
 
   #
-  # Returns +true+ is this is a permutation matrix
+  # Returns +true+ if this is a permutation matrix
   # Raises an error if matrix is not square.
   #
   def permutation?
@@ -748,21 +748,21 @@ class Matrix https://github.com/ruby/ruby/blob/trunk/lib/matrix.rb#L748
   end
 
   #
-  # Returns +true+ is this is a singular matrix.
+  # Returns +true+ if this is a singular matrix.
   #
   def singular?
     determinant == 0
   end
 
   #
-  # Returns +true+ is this is a square matrix.
+  # Returns +true+ if this is a square matrix.
   #
   def square?
     column_count == row_count
   end
 
   #
-  # Returns +true+ is this is a symmetric matrix.
+  # Returns +true+ if this is a symmetric matrix.
   # Raises an error if matrix is not square.
   #
   def symmetric?
@@ -774,7 +774,7 @@ class Matrix https://github.com/ruby/ruby/blob/trunk/lib/matrix.rb#L774
   end
 
   #
-  # Returns +true+ is this is a unitary matrix
+  # Returns +true+ if this is a unitary matrix
   # Raises an error if matrix is not square.
   #
   def unitary?
@@ -792,14 +792,14 @@ class Matrix https://github.com/ruby/ruby/blob/trunk/lib/matrix.rb#L792
   end
 
   #
-  # Returns +true+ is this is an upper triangular matrix.
+  # Returns +true+ if this is an upper triangular matrix.
   #
   def upper_triangular?
     each(:strict_lower).all?(&:zero?)
   end
 
   #
-  # Returns +true+ is this is a matrix with only zero elements
+  # Returns +true+ if this is a matrix with only zero elements
   #
   def zero?
     all?(&:zero?)

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