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Ruby | Matrix rank() function

Last Updated : 12 Jul, 2025

The rank() is an inbuilt method in Ruby returns the rank of the given matrix. The float values can yield enormous results due to float precision

Syntax: mat1.rank() Parameters: The function does not accepts any parameter. Return Value: It returns the rank of the current matrix.

Example 1:

CPP

#Ruby program for rank() method in Matrix

#Include matrix
require "matrix"

#Initialize a matrix
    mat1
    = Matrix[[ 1, 21 ], [ 31, 18 ]]

#Prints the rank
      puts mat1.rank()

Output:

Example 2:

CPP

#Ruby program for rank() method in Matrix

#Include matrix
require "matrix"

#Initialize a matrix
    mat1
    = Matrix[[ 1, 0 ], [ 0, 1 ]]

#Prints the rank
      puts mat1.rank()