已知y=1/1^2+1/2^2+1/3^2+…+1/n^2,当n=100时,求y的值。用matlab编写这段程序
时间: 2023-11-19 07:04:34 浏览: 551
可以使用以下代码来计算y的值:
```matlab
n = 100;
y = sum(1./(1:n).^2);
disp(y);
```
解释一下代码:
- `n = 100` 表示将n设置为100。
- `1:n` 创建了一个从1到n的向量。
- `1./(1:n).^2` 这是一个点除运算符,表示将1除以1到n的每个元素的平方。这样产生的向量是每个分数的分子。
- `sum(1./(1:n).^2)` 对分数的分子求和,得到y的值。
- `disp(y)` 将y的值显示在命令窗口中。
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