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意思是27个方程81个未知数?In Reply To:我没过,下来想的。见内 Posted by:zhucheng at 2005-08-07 12:35:52 > 方程有27个,变量取值为集合{1,2,4,8,。。。2^8}
> 方程形式为
> x1^x2^x3...=a
> 异或是可结合,可交换的。
> 用高斯消元法求出自由变量,
> 对自由变量直接赋值。
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