英文:
Design an algorithm to calculate probability of team winning depending on variables
问题
I am designing a football-based game in Java where two teams will face off. Then I want to design an algorithm to calculate the probability of team A or team B winning depending on some factors.
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The strength of the team (which doesn't change after being set)
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The form the team is in (how many of their last 5 games they won or lost)
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Some randomness so it can go either way even if team A is much stronger and in better form than team B.
I don't really know where to start though, any tips would be appreciated!
英文:
so I am designing a football based game in Java where two teams will face off. Then I want to design an algorithm to calculate the probability of team A or team B winning depending on some factors.
-
The strength of the team (which doesn't change after being set)
-
The form the team is in (how many of their last 5 games they won or lost)
-
Some randomness so it can go either way even if team A is much stronger and in better form than team B.
I don't really know where to start though, any tips would be appreciated!
答案1
得分: 1
让我们从面向对象编程（OOP）开始：
public class Team {private double /*int*/ strength; // 根据您的喜好更改数据类型private double formOfLastFiveMatches; // 失去全部为0，全部赢为1，赢了3场比赛为0.6private Random random; // 用于随机性// ... 构造函数、获取器、设置器}
这是模拟您的球队。
现在开始计算比赛。
public class SoccerSimulator {private Team a, b;// ... 构造函数、获取器、设置器/*** 计算 A 赢得比赛的概率。* @return A 赢得比赛的概率。*/public double calculateProbability() {double strengthA = a.getStrength();double strengthB = b.getStrength();if (a.getForm() <= 0.2)strengthA *= (1 + (Math.random % 0.1)); // 最多10%的奖励，因为他们在过去的5场比赛中只赢了0-1场if (b.getForm() <= 0.2)strengthB *= (1 + (Math.random % 0.1));// 对随机数生成器执行某些操作// ...// TODO：更好的算法double sum = strengthA + strengthB;return strengthA / sum; // 获取 A 相对于总和的分数。}}
这是一个相当基本的算法，但您可以将其用作起点。
英文:
Let's start with a bit of OOP:
public class Team{private double /*int*/ strength;//Change the datatype, by your favorsprivate double formOfLastFiveMatches;//0 for lost all, 1 for won all, 0.6 for won 3 of 5private Random random; //For the randomness//...Constructors, Getters,Setters}
This is models your team.
Now start with calculating the match.
public class SoccerSimulator{private Team a,b;//...Constructors, Getters,Setters/*** Calculate the probability, that A wins.* @return the probability, A wins.*/public double calculateProbability(){double strengthA = a.getStrength();double strengthB = b.getStrength();if(a.getForm() <= 0.2)strengthA *= (1 + (Math.random % 0.1));//Up to 10% bonus, because they won only 0-1 games in the last 5 gamesif(b.getForm() <= 0.2)strengthB *= (1 + (Math.random % 0.1));//Do something with the random number generator//....//TODO: Better algorithmdouble sum=strengthA + strengthB;return strengthA / sum;//Get the fraction A has in relationship to the sum.}}
This is an quite basic algorithm, but you can use it as a starting point.
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