Palean Woven Baskets

本文首先简述了电影《雷神》的情节,表达了作者对电影的一些个人看法,包括对主角形象和爱情线的感受。随后,文章转向一个批判性思维练习,分析了一个关于古篮子起源的论证。作者指出该论证存在逻辑漏洞,如对地理障碍的过度简化、未考虑古代交通工具的可能性以及忽略了贸易交流的影响。

For a long time, it has been war ranging on in the land of Asgard. The young Thor stands up with his best mates to fight the evil Locky—his younger brother. After a while his mother died of I don’t know what but she died anyway. And his father was frozen in a huge cave, or box, I cannot remember.

Then somehow Thor got to somewhere on earth, maybe it is due to something Locky did, I cannot remember, either. On our planet Earth, Thor met this beautiful girl whose name I also cannot remember, and they fell in love in one blink. But we all know, this kind of relationship which is between a human and a God would never work out. So the rest is history.

I cannot say that I am a fan of the moive Thor, because I am not so into the way the actor of Thor looks, and the love affair in this movie, is not so dreamy, either. I have to say that I have the preference for Captain American, who is satrred by the man called I don’t know what. But holly shit, this guy is gorgeous.

Okay, this text is full of bullshit i know, only to examine my typing speed.

Here comes the real writing. I would want to write a demo for the first argument question—woven baskets.

In this argument, the author concludes that the woven baskets which were mostly found in Palea were not uniquely Palean. To support this conclusion, the author points that the same kind of baskets were also found in Lithos. And because Lithos is on the other side of the Brim River which people can only across the river by boat and by far no existing traces of boats have ever been found, the author came to the conclusion that the baskets found in Lithos could only be made by the Lithos people. Thus, this kind of woven baskets were not something that only belongs to the Palean people. However, these evidence do not constitute a logical argument in favor of its conclusion since the provements provided are not sufficiently convincing and are not valid enough to indicate the author’s conclusion.

The most obvious flaw of the argument is that the author claims that due to the very deep and broad river lying between Palea and Lithos, which seems to prevent the communications between the two places. However, we can never know for sure the conditions of the Brim River in the past. Possibilities are that the Brim River were a lot more shallow and narrow in the past than it is today, or there were no river at all. So the so-called handicap caused by this river never exists.

Even if the Brim River existed and were as deep and wide as it is today, we do not know if the acient Palean people ever built ant boats to cross the river. Although the author claims that no Palean bosts have been found so far, this does not indicate that there never were available boats. It is possible that the ship built by the ancient Palean people eroded as time passed by since the material used for constructing ship were mostly wood, and wood easily gets rotted. Alternatively, the boats were toren apart to reuse the wood. Anyway, we can not come to the conclusion that there were no boats simply because we haven’t found any.

Futhermore, let us say that even the Palean people truly did not build ant boats and had never crossed the Brim River, There might still be another way for the baskets to end up in Lithos. For example, chances are that there once were some huge commercial trading gatherings in some other ancient cities, the Palean people may use their hand-made baskets to trade for Lithos’ commodities like tea pots. Or there once were groups of businessmen, who traveled among ancient cities and made profits by commercial transactions. It was them who brought the Palean baskets to Lithos. Consequently, before the author provides further information to exclude these possibilities, we cannot say for certain that those baskets found in Lithos were not from Palea.

To sum up, the arguer fails to substantiate/corroborate his claim that this kind of woven baskets were not uniquely Palean since the evidence cited does not lend strong support to what the arguer maintains. To make the argument more convincing, the author has to provide more information with regard to the existence or size of the Brim River, the presence of the Palean boats and the possibilities of other ways for the baskets to finally wind up in another city like Lithos.

内容概要:本文介绍了基于Koopman算子理论的模型预测控制(MPC)方法,用于非线性受控动力系统的状态估计与预测。通过将非线性系统近似为线性系统,利用数据驱动的方式构建Koopman观测器,实现对系统动态行为的有效建模与预测,并结合Matlab代码实现具体仿真案例,展示了该方法在处理复杂非线性系统中的可行性与优势。文中强调了状态估计在控制系统中的关键作用,特别是面对不确定性因素时,Koopman-MPC框架能够提供更为精确的预测性能。; 适合人群:具备一定控制理论基础和Matlab编程能力的研【状态估计】非线性受控动力系统的线性预测器——Koopman模型预测MPC(Matlab代码实现)究生、科研人员及从事自动化、电气工程、机械电子等相关领域的工程师;熟悉非线性系统建模与控制、对先进控制算法如MPC、状态估计感兴趣的技术人员。; 使用场景及目标:①应用于非线性系统的建模与预测控制设计,如机器人、航空航天、能源系统等领域;②用于提升含不确定性因素的动力系统状态估计精度;③为研究数据驱动型控制方法提供可复现的Matlab实现方案,促进理论与实际结合。; 阅读建议:建议读者结合提供的Matlab代码逐段理解算法实现流程,重点关注Koopman算子的构造、观测器设计及MPC优化求解部分,同时可参考文中提及的其他相关技术(如卡尔曼滤波、深度学习等)进行横向对比研究,以深化对该方法优势与局限性的认识。
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