summaryrefslogtreecommitdiff
path: root/lib/matrix.rb
diff options
context:
space:
mode:
Diffstat (limited to 'lib/matrix.rb')
-rw-r--r--lib/matrix.rb24
1 files changed, 12 insertions, 12 deletions
diff --git a/lib/matrix.rb b/lib/matrix.rb
index 76bec9228b..ed5390f873 100644
--- a/lib/matrix.rb
+++ b/lib/matrix.rb
@@ -641,7 +641,7 @@ class Matrix
#++
#
- # 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
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
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
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
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
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
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
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?)