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# 老码识途day0 | ||
https://zhuanlan.zhihu.com/p/458678449 | ||
<https://zhuanlan.zhihu.com/p/458678449> | ||
实验视频: | ||
https://www.bilibili.com/video/BV1VL4y147Kv?spm_id_from=333.999.0.0 | ||
<https://www.bilibili.com/video/BV1VL4y147Kv?spm_id_from=333.999.0.0> | ||
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* 配置环境 | ||
![](https://raw.githubusercontent.com/youhuangla/images/main/20220116100213.png) | ||
* 文件 -> 新建 -> 项目 -> Visual C++ -> Win32控制台应用程序 | ||
* 文件 -> 新建 -> 项目 -> Visual C++ -> Win32控制台应用程序 |
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# l1. 操作系统概述 | ||
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## 四周目反思与第五周目展望 | ||
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![image-20220305195845747](img/image-20220305195845747.png) | ||
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## 环境 | ||
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- wsl | ||
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## 为什么要学操作系统 | ||
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![image-20220305200224385](img/image-20220305200224385.png) | ||
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j: | ||
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微分中值定理,会用,会做题,刷了很多题但是感觉还是很糟糕,因为没有理解微积分背后的东西比,如实数的概念,处处连续,处处不可导。微积分的公理化和计算分开。不用讲微积分的技巧 | ||
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使用python包sympy: | ||
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arctan(x)的积分,计算技巧,有意义吗? | ||
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![image-20220305201200100](img/image-20220305201200100.png) | ||
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> 按偏差的比例(P)、积分(I)和微分(D)进行控制的[PID控制器](https://baike.baidu.com/item/PID控制器/1888589)(亦称[PID调节器](https://baike.baidu.com/item/PID调节器/4092310))是应用最为广泛的一种[自动控制器](https://baike.baidu.com/item/自动控制器/8096258)。 | ||
微积分应该以现代化技术来讲,辅以适当计算练习 | ||
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线性代数从图形开始教,不应立刻进入纯数学 | ||
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## 学习操作系统的目的 | ||
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![image-20220305202040988](img/image-20220305202040988.png) | ||
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stackoverflow: exit vim? | ||
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图灵机 | ||
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![image-20220305215928216](img/image-20220305215928216.png) | ||
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视频:36:15 | ||
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