【python】用python如何去写lp文件（整数规划约束）

wenningker

于 2022-05-08 14:25:27 发布

阅读量1.1k

点赞数

CC 4.0 BY-SA版权

分类专栏： python 文章标签： python

本文链接：https://blog.youkuaiyun.com/wenningker/article/details/124647402

python 专栏收录该内容

5 篇文章

订阅专栏

在这里插入图片描述

import math
def write_con(n,path,m):
	f = open(path,"a",encoding = "utf-8")
	for i in range(1,n):
		f.write("x" + str(i) + " + " + "y" + str(i) + " + ")
	f.write("x" + str(n) + " + " + "y" + str(n) + " <= " +str(m) + "\n")
	f.close()

path = r"D:\code\text.txt"
write_con(4,path,5)

执行结果：
在这里插入图片描述

在这里插入图片描述

import math
def write_con(n,path,m,k):
	f = open(path,"a",encoding = "utf-8")
	for j in range(1,k+1):
		for i in range(1,n):
			f.write("x" + str(i) + " + " + "y" + str(j) + " + ")
		f.write("x" + str(n) + " + " + "y" + str(j) + " <= " +str(m) + "\n")
	f.close()

path = r"D:\code\text.txt"
write_con(4,path,5,4)