Skip to content
Related Articles

Related Articles

Improve Article
Save Article
Like Article

Ruby | Matrix laplace_expansion() function

  • Last Updated : 11 Aug, 2021

The laplace_expansion() is an inbuilt method in Ruby returns the laplace_expansion of the given matrix along a given row or column. In other words, it returns the Laplace expansion
 

Syntax: mat1.laplace_expansion(row: num or col:num)
Parameters: The function accepts one mandatory parameter row or column whose laplace_expansion is returned. 
Return Value: It returns the laplace-expansion of the given matrix along the given row or column.

Example 1

CPP




#Ruby program for laplace_expansion() method in Matrix
 
#Include matrix
require "matrix"
 
#Initialize a matrix
    mat1
    = Matrix[[ 1, 21 ], [ 31, 18 ]]
 
#Prints the value of mat1.laplace_expansion
#first row
      puts mat1.laplace_expansion(row : 1)

Output



-633

Example 2

CPP




#Ruby program for laplace_expansion() method in Matrix
 
#Include matrix
require "matrix"
 
#Initialize a matrix
    mat1
    = Matrix[[ 13, 1, 5 ], [ 12, 1, 5 ], [ 11, 2, 5 ]]
 
#Prints the value of mat1.laplace_expansion
#first row
      puts mat1.laplace_expansion(column : 0)

Output

-5
My Personal Notes arrow_drop_up
Recommended Articles
Page :

Start Your Coding Journey Now!