Ruby | Matrix det() function

The det() is an inbuilt method in Ruby returns the determinant of the given matrix

Syntax: mat1.det()

Parameters: The function does not accepts any parameter.



Return Value: It returns the determinant of the given matrix.

Example 1:

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# Ruby program for det() method in Matrix
  
# Include matrix 
require "matrix"
  
# Initialize a matrix 
mat1 = Matrix[[1, Complex(2, 1)], [Complex(8, -9), 18]]       
  
# prints the determinant 
puts  mat1.det()

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Output:

-7+10i

Example 2:

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# Ruby program for det() method in Matrix
  
# Include matrix 
require "matrix"
  
# Initialize a matrix 
mat1 = Matrix[[1, 1, 5], [4, 1, 5], [11, 2, 12]]       
  
# prints the determinant 
puts  mat1.det()

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Output:

-6


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