Ruby | Matrix column_size() function

The column_size() is an inbuilt method in Ruby returns the number of columns in a matrix.

Syntax: mat1.column_size()

Parameters: The function does not accepts any parameter.

Return Value: It returns the number of columns in a matrix.

Example 1:

# Ruby program for column_size() method in Matrix

# Include matrix
require "matrix"

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

# prints the number of columns
puts  mat1.column_size

Output:

2

Example 2:

# Ruby program for column_size() method in Matrix

# Include matrix
require "matrix"

# Initialize a matrix
mat1 =  Matrix[[13, 1, 5], [12, 1, 5], [11, 2, 5]]

# prints the number of columns
puts  mat1.column_size

Output:

3