Po7ed's Blog

运动学

概念

参考系 描述物体运动的参照物。可取任意物体，假定其不动。不同参考系结果可能不同。

质点 代替物体的具有质量的点。理想化物理模型。问题与形状大小有关时不可视为质点。

Tasks

cdq 分治、扩欧拉。

Problems

概率、构造、Ad-hoc、数数。

Welcome to Hexo! This is your very first post. Check documentation for more info. If you get any problems when using Hexo, you can find the answer in troubleshooting or you can ask me on GitHub.

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本文字符串下标从 $1$ 开始，无歧义时默认 $n$ 为当前所述字符串长度。

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对数

对数是乘方的逆运算，与除是乘的逆运算类似。所以，所有对数的性质及推导过程都可以类比除法。