& Онлайн Формула Calculator Ultra

Автор: Neo Huang Проверено: Nancy Deng
Последнее Обновление: Общее Использование: Метка: Politics Power Index Voting
Единица измерения Конвертер ▲

Единица измерения Конвертер ▼

From:	To:
Total Number of Votes:
Vote Weights (comma-separated):
Quota:
Banzhaf Power Index:
      </div>
    </div>
  </div></form>
</div>

<script>
Vue.createApp({
  data() {
    return {
      totalVotes: 0,
      voteWeights: '',
      quota: 0,
      banzhafIndex: ''
    };
  },
  methods: {
    calculateBanzhafIndex() {
      const weights = this.voteWeights.split(',').map(Number);
      const powerIndices = new Array(weights.length).fill(0);
      const totalCombinations = Math.pow(2, weights.length);
      
      for (let i = 1; i < totalCombinations; i++) {
        let sum = 0;
        for (let j = 0; j < weights.length; j++) {
          if (i & (1 << j)) sum += weights[j];
        }
        
        if (sum >= this.quota) {
          for (let j = 0; j < weights.length; j++) {
            if (i & (1 << j)) {
              const withoutPlayerJ = i & ~(1 << j);
              let sumWithoutJ = 0;
              for (let k = 0; k < weights.length; k++) {
                if (withoutPlayerJ & (1 << k)) sumWithoutJ += weights[k];
              }
              
              if (sumWithoutJ < this.quota) {
                powerIndices[j]++;
              }
            }
          }
        }
      }

      const totalPower = powerIndices.reduce((acc, val) => acc + val, 0);
      this.banzhafIndex = powerIndices.map(pi => (pi / totalPower).toFixed(4)).join(', ');
    },
    resetForm() {
      this.totalVotes = 0;
      this.voteWeights = '';
      this.quota = 0;
      this.banzhafIndex = '';
    }
  }
}).mount('#banzhafIndexCalculator');
</script>
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