Ruby | Matrix row_count() function

The row_count() is an inbuilt method in Ruby returns the number of rows in the given matrix.

Syntax: mat1.row_count()

Parameters: The function does not takes any mandatory parameter.

Return Value: It returns the number of rows in the matrix.

Example 1:

# Ruby program for row_count() method in Matrix

# Include matrix
require "matrix"

# Initialize a matrix
mat1 = Matrix[[6, 432], [54, 323]]

# Prints the number of rows
puts  mat1.row_count()

Output:

2

Example 2:

# Ruby program for row_count() method in Matrix

# Include matrix
require "matrix"

# Initialize a matrix
mat1 = Matrix[[1, 1, 1],[2, 2, 2],[3, 5, 6]]

# Prints the number of rows
puts  mat1.row_count()

Output:

3