来自《耶鲁大学开放课程：新生有机化学 第7集 第7集》

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  But you'll be happy to know that for purposes
  但就这门课而言
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  of this course we're not so interested in time and spin.
  我们不关注时间和自旋
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  So for our purposes it's just a function of position.
  我们只关注位置
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  So if you have N particles,
  如果有N个粒子
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  how many positions do you
  需要知道多少信息
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  have to specify to know where they all are?
  才能为它们定位
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  How many numbers do you need?
  需要多少信息呢
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  You need x, y, z for every particle.
  你需要x y z这3个坐标来定位
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  Right? So you need 3N arguments for Ψ.
  也就是说需要3N个自变量
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  So Ψ is a function that
  所以波函数就是
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  when you tell it where all these positions are,
  当你输入粒子位置信息时
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  it gives you a number. Now curiously enough,
  它能给你一个输出结果 奇怪的是