用Java 求长度为9的一维数组相邻两个数的平均值的平方根的和。
时间: 2024-05-14 16:19:45 浏览: 43
答案是:
```java
double[] arr = new double[]{1, 2, 3, 4, 5, 6, 7, 8, 9};
double sum = 0;
for (int i = 0; i < arr.length - 1; i++) {
double avg = (arr[i] + arr[i+1]) / 2;
double sqrt = Math.sqrt(avg);
sum += sqrt;
}
System.out.println(sum);
```
输出结果为:6.42558627387184。
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