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[函数] 多项式带余除法证明

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nttz Posted 2023-7-15 17:03 |Read mode
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求解释

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 Author| nttz Posted 2023-7-15 17:05
根据归纳假设不是 要求deg(h) < deg(g)的么,上面只是说deg(h) < deg(f)

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 Author| nttz Posted 2023-7-15 17:20
nttz 发表于 2023-7-15 17:05
根据归纳假设不是 要求deg(h) < deg(g)的么,上面只是说deg(h) < deg(f)
是不是可以理解为有限次迭代,后 deg(f)>deg(h1)>....>deg(h(n))>deg(g)
> deg(h(n+1)), 然后h(n+1) = pg+r , 此时 q = p+It(f)/It(g)+It(h1)/It(g)+...+It(hn)/It(g),
最后一个结论  deg((q1-q2)g) = deg(q1-q2) + deg(g)  = deg(r2-r1) < deg(g)
不是得出deg(q1-q2) < 0么,说明什么?

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