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5 年
所有自然数之和是-1/12?它在物理学中还有特别的应用?
前段时间收到一位热心读者的邮件。信中提到,如果认定1-1+1-1……=1/2为事实,就会得出1+2+3+……=-1/12这样难以令人理解的 ...
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6 年
1+2+3+4+···=-1/12?这个公式怎样被证明的以及物理学的应用
无限的不一致性和奇异性使得数学充满了乐趣。如果你观察无穷级数1 + 2 + 3 + 4 +···,你会发现它的和不能给出一般意义上的 ...
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