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what the meaning of self.subtraction and self.subtraction2? #4

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Senwang98 opened this issue Jan 27, 2021 · 0 comments
Open

what the meaning of self.subtraction and self.subtraction2? #4

Senwang98 opened this issue Jan 27, 2021 · 0 comments

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@Senwang98
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Senwang98 commented Jan 27, 2021 •
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Hi, @Ohraincu
I am confused about the meaning of self.subtraction2 and self.subtraction, when you use self.subtraction2(x1, x2), I guess x1-x2.
When you use self.subtraction(p), I can't understand what's the meaning of this operation. Can you tell me why?

您好，我想问一下self.subtraction2是不是就是字面意思，那么self.subtraction参数只有一个，那么这个相减的对象是谁呢，不是很明白这块的含义
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@Senwang98