size()是Ruby中的內置方法,返回向量中元素的數量
用法: vec1.size()
參數:該函數不接受任何參數
返回值:返回向量中元素的數量
例子1:
# Ruby program for size() method in Vector
# Include matrix
require "matrix"
# Initialize the vector
vec1 = Vector[1, 2, 3]
# Prints the size of vector
puts vec1.size()
輸出:
3
例子2:
# Ruby program for size() method in Vector
# Include matrix
require "matrix"
# Initialize the vector
vec1 = Vector[1, 2, 3, 4, 5]
# Prints the size of vector
puts vec1.size()
輸出:
5
相關用法
- Ruby Vector r()用法及代碼示例
- Ruby Vector eql?()用法及代碼示例
- Ruby Vector zero?()用法及代碼示例
- Ruby Vector zero()用法及代碼示例
- Ruby Vector norm()用法及代碼示例
- Ruby Vector elements()用法及代碼示例
- Ruby Vector angle_with()用法及代碼示例
- Ruby Vector cross_product()用法及代碼示例
- Ruby Vector round()用法及代碼示例
- Ruby Vector to_matrix()用法及代碼示例
- Ruby Vector independent?用法及代碼示例
- Ruby Vector inner_product()用法及代碼示例
- Ruby Vector covector()用法及代碼示例
- Ruby Vector component()用法及代碼示例
- Ruby Vector hash()用法及代碼示例
注:本文由純淨天空篩選整理自gopaldave大神的英文原創作品 Ruby | Vector size() function。非經特殊聲明,原始代碼版權歸原作者所有,本譯文未經允許或授權,請勿轉載或複製。