Ruby | Matrix real?() function
Last Updated :
07 Jan, 2020
The real?() is an inbuilt method in Ruby returns a boolean value. It returns true if all values in the matrix are real, else it returns false.
Syntax: mat1.real?()
Parameters: The function needs the matrix which is to be checked for real values
Return Value: It returns true if it all values are real, else it returns false.
Example 1:
#Ruby program for real ? () method in Matrix
#Include matrix
require "matrix"
#Initialize a matrix
mat1
= Matrix[[ 1, 21 ], [ 31, 18 ]]
#Prints if all values are real or not
puts mat1.real
? ()
|
Output:
true
Example 2:
#Ruby program for real ? () method in Matrix
#Include matrix
require "matrix"
#Initialize a matrix
mat1
= Matrix[[ 1, 21 ], [ 31, 18 ], [ Complex(1, 9), 1 ]]
#Prints if real ? or not
puts mat1.real
? ()
|
Output:
false
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