Open In App

Ruby | Matrix upper_triangular?() function

Last Updated : 07 Jan, 2020
Summarize
Comments
Improve
Suggest changes
Share
Like Article
Like
Report
The upper_triangular?() is an inbuilt method in Ruby returns a boolean value. It returns true if it is a lower-triangular matrix, else it returns false.
Syntax: mat1.upper_triangular?() Parameters: The function needs the matrix to be checked for lower-triangular. Return Value: It returns true if it is a lower-triangular matrix, else it returns false.
Example 1: Ruby
# Ruby program for upper_triangular?() method in Matrix
 
# Include matrix 
require "matrix"
 
# Initialize a matrix 
mat1 = Matrix[[1, 21], [31, 18]]  
 
# Prints if upper_triangular or not 
puts  mat1.upper_triangular?()
Output:
false
Example 2: Ruby
# Ruby program for upper_triangular?() method in Matrix
 
# Include matrix 
require "matrix"
 
# Initialize a matrix 
mat1 = Matrix[[31, 18, 19], [0, 3, 2],  [0, 0, 1]]
 
# Prints if upper_triangular or not 
puts  mat1.upper_triangular?()
Output:
true

Next Article

Similar Reads