matlab求π的近似值,但是显示Expression or statement is incorrect--possi

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matlab求π的近似值,但是显示Expression or statement is incorrect--possibly unbalanced (,{,or [.
int i,n;
double a=0,sum=0;
for(n=100;n

晕.这是直接拿C语言的语法往上套啊.
帮你改了一下：
n=100;
while n<=100000
    a=0;
    sum=0;
    for i=1:n
        a=a+1/(i*i);
        sum=sqrt(6*a);
    end
    fprintf('当n=%i, sum的值为：%g\n',n,sum);
    n=(n*10);
end
运行结果：
当n=100, sum的值为：3.13208
当n=1000, sum的值为：3.14064
当n=10000, sum的值为：3.1415
当n=100000, sum的值为：3.14158

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