红宝石 |矩阵 column_vectors()函数
column_vectors()是 Ruby 中的内置方法,返回包含列的向量数组。
Syntax: mat1.column_vectors()
Parameters: The function does not accepts any parameter.
Return Value: It returns an array of vectors containing all the columns.
示例 1 :
# Ruby program for column_vectors() method in Matrix
# Include matrix
require "matrix"
# Initialize a matrix
mat1 = Matrix[[1, 21], [31, 18]]
# prints the columns
puts mat1.column_vectors
输出:
Vector[1, 31]
Vector[21, 18]
示例 2 :
# Ruby program for column_vectors() method in Matrix
# Include matrix
require "matrix"
# Initialize a matrix
mat1 = Matrix[[13, 1, 5], [12, 1, 5], [11, 2, 5]]
# prints the columns
puts mat1.column_vectors
输出:
Vector[13, 12, 11]
Vector[1, 1, 2]
Vector[5, 5, 5]