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s**********n
发帖数: 3199 | 2 penn那篇匆匆翻过，没看完，因为不同意也因为觉得写的平庸，更多见下：
“According to Poe, the mathematics that allows you instantly to intuit a
proof is the same as the intuitive faculty that allows you to assemble a
very effective poem.” lol, cannot agree more, as a person with average soul
for math & poetry (count everyone on earth). By the way, i doubt how Poe's
affected manner, or "his brand of writing", promotes his work in his native
country, but totally agree that all his stories are of himself, could be
lies, but lies of ... 阅读全帖 |
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s**********n
发帖数: 3199 | 3
造成
说明
逻辑上要找纰漏還是很容易的。
你这里可见后的结论，假如认为是从前面我的个例推导的话，一样是不完全归纳的错误。
不是作数学证明啊。。。呵呵，我对数学鉴赏力的理解之一，是有intuition，有big
picture，作出没有错误的证明某种意义上不过是一种工程能力，但是在枝蔓之外发觉
什么是重要的结论，定理，认识到那些定理有一揆全局的地位，i.e. 看到什么是提纲
挈领的结论，什么是漂亮的，，比如算算积分，syntax上做做logical calculus重要一
些。
算积分／error free的proof这类训练，恕我愚见，都是工程上更有用而已。
能通过数学而培养好的intuition和big picture，能体会跨学科的相似（这里我想用审
美来形容或许有帮助）的优美和理论上的困难，对非工程，非科学类的希望有所建树的
人，个人以为很有益。
这种益处夸张一点用“巨大、对所有人”等等来讲，即使过分，也算情有可原。 |
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r****y
发帖数: 26819 | 4 我觉得，审美来审美去，intuition也好，big picture也好，都是为了能够认知本质，
解决问题，包括自身提出来的抽象问题。审美没啥不对，但数学不是为了审美而审美
的，数学的美是无懈可击的精确美，作出没有错误的证明是构造理论体系的基本方式，
证明过程和理论体系本身都可以很美，跟intuition和big pic一点也不矛盾。
另外，工程，不是数学，照样可以很美，也可以做到无懈可击。这和数学的美完全
没有矛盾，不是鱼和熊掌。
误。 |
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b*****l
发帖数: 9499 | 5 比如说，俺过去总在 bbs 找人抬杠，是因为 ENTP 型性格的这个特点：
ENTPs are usually verbally as well as cerebrally quick, and generally love
to argue--both for its own sake, and to show off their often-impressive
skills... argument as a sport.
现在变成这样了：
INFPs are highly intuitive about people. They rely heavily on their
intuitions to guide them, and use their discoveries to constantly search for
value in life. They are on a continuous mission to find the truth and
meaning underlying things. Every encounter and every piece o |
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j*******7
发帖数: 6300 | 6 这个讲的比较简明扼要 --
http://www.randyeverist.com/2012/01/modal-ontological-argument.
The Modal Ontological Argument
What’s wrong with the ontological argument? That’s something I’ve been
wondering. Now of course, as is the case with every theistic argument we
give a generic name, the “ontological” argument is a type of theistic
argument. I only intend to focus on Plantinga’s modal ontological argument
(MOA). The MOA appears like this:
1. It is possible that a maximally great being exists.
2. If it is p... 阅读全帖 |
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t*******r
发帖数: 2940 | 7 没有information theory的概念，google 了一下，不足进行educated conversation.
你如果要用这个理论，请原谅我的ignorance，我可能只能凭一般常识应答。
你的讨论建立在上帝变化为人，用人的语言启示先知。我认为上帝将启示用intuition
的方式启示给先知，先知用拟人的方法描绘上帝的启示。这样的intuition如果稍有错
误，可以导致一系列错误的后果。 |
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E*****m
发帖数: 25615 | 8
.
intuition
其實不需要 information theory。
舊約裡那些詳細指出該殺誰的章節都是 intuition 稍稍錯誤造成的？
而且不止一本書， 那麼多本書的作者們都錯？ |
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l******t
发帖数: 490 | 9 其實我不太認同“上帝將啟示用intuition(直覺)的方式啟示給先知”的說法。神給先
知的啟示的確是個奧秘，姑且用“神啟”的知識這個詞。
神啟和直覺share的共同點，是其發生方式是奧秘的，不能用可重複試驗得到。
但不同點也很大，若按聖經來看，神啟就像是有某人告訴先知一樣的現像，當然這個“
某人”指的是”有位格的神”。而直覺則不一定需要一個位格告訴自己。
.
intuition |
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E*****m
发帖数: 25615 | 10
這些章節是很詳細的， 殺怎樣的人，為什麼殺， 都說得很多， 你要說這些
都是 intuition? 你是不是重新定義了 intuition ?
還有我說的第二個問題， 你怎麼解釋？ |
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C*******r
发帖数: 10345 | 11 这是数学家，逻辑学家Smullyan对free will问题的一次尝试。Smullyan本人认为他自
己是道家哲学者。
Mortal:
And therefore, O God, I pray thee, if thou hast one ounce of mercy for
this thy suffering creature, absolve me of having to have free will!
God:
You reject the greatest gift I have given thee?
Mortal:
How can you call that which was forced on me a gift? I have free will,
but not of my own choice. I have never freely chosen to have free will. I
have to have free will, whether I like it or not!
God:
Why would you wish ... 阅读全帖 |
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n********n
发帖数: 8336 | 12 Determinism, free will and compatibilism
by Tim Harding
The idea that the future is already determined is known in philosophy as
determinism. There are various definitions of determinism available; but in
this essay, I shall use the Stanford Encyclopedia of Philosophy definition,
which is ‘the metaphysical thesis that the facts of the past, in
conjunction with the laws of nature, entail every truth about the future’ (
McKenna, 2009:1.3).
This idea presents a difficult problem for the concept of... 阅读全帖 |
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r*******c
发帖数: 1060 | 13 2009年一个很WISE令我很尊敬很感恩的GG推荐我看这本书，当时我还是个完全没有接触
过佛教轮回说的，至多可能在电视里或者什么地方听过轮回投胎这些词。当时看了还记
了笔记，不过，现在很多想法都变了。这2年，心路历程/对世界的认识，变化还挺多的
，感觉在一个TRANSFORMATION的过程中。
当时的笔记：
Brian Weiss. (1988). Many lives, Many masters. New York: Simon & Schuster
Inc.
备注：是别人介绍的，一开始看excerpt觉得好没兴趣，不过还是鼓起勇气看了，结果
发现蛮好的，还掉了几滴眼泪。恩。笔记如下：
1. The steady day-in and day-out pounding of undermining influences, such as
a parent scathing criticisms, could cause even more psychological trauma
than a single traumatic event. (page 42)
00解说：嗯... 阅读全帖 |
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J******s
发帖数: 7538 | 14 Language is for communication. There are two kind of knowledges, rational
and intuitive.
Rational one belongs to the realm of intellect, and is thus a system of
abstract concepts and symbols, characterized by the linear, sequential
structure which is typical of our thinking and speaking.
The natural world is multidimensional, which contains infinite varieties
and complexities happening not in sequences but all together.Therefore, our
abstract system of conceptual thinking can never describe or u... 阅读全帖 |
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Y**u
发帖数: 5466 | 15 ☆─────────────────────────────────────☆
TrueStory (不是幸福的坑不挖) 于 (Wed Oct 26 15:21:06 2011, 美东) 提到:
It's easier said than done.
释永信：我的态度就像昔日寒山(文殊菩萨化身)问拾得(普贤菩萨化身)：世间谤我、欺
我、辱我、笑我、轻我、贱我、恶我、骗我，如何处治乎？拾得曰：只是忍他、让他、
由他、避他、耐他、敬他、不要理他，再待几年你且看他。
http://www.mitbbs.com/news_wenzhang/SportsNews/31198903.html
☆─────────────────────────────────────☆
taipingnan (泰平之南) 于 (Wed Oct 26 15:36:00 2011, 美东) 提到:
you got it.
it is even very hard to be not said.
☆─────────────────────────────────────☆
leonana ... 阅读全帖 |
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K*****k
发帖数: 1611 | 16 呵呵，你好像问不只一个问题
will, belief, intuition,
GOD(s), truth, faith, time...
估计没有一个是有标准答案的
就个人感觉友情灌点水。
“Well, what is the will to find the Truth? What is it exactly? Is it the
belief that there must be a reason, aka, karma? Is it the faith that there
must be a way out, aka, nirvana? Or is it the intuition (built-in essence of
a soul, or collective unconscious, or whatever it's called) that keeps
calling on us to pursue it?”
不太清楚，但是圣经里的一句话，
比较符合我的感觉
...and the truth will set you free." (John 8:32)
“Do yo... 阅读全帖 |
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t******g
发帖数: 17520 | 17 嗯，
我举例的意思是就宿便的这个问题，大家都是follow 自己的intuition
只要是自己的intuition ， 就很容易“信” |
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t******g
发帖数: 17520 | 18 我的意思是说， 人相信自己的intuition 也不是一天两天了
科学只有在挑战这种intuition的时候才能突破， 跳战天圆地方， 跳战地心说， 日心说
挑战和思考一成不变的常态， 才能有想牛顿和爱因斯坦和波尔这种牛人
事实证明人的直觉在大部分时候是错的
实有的 实验， 和shut up and calculate, 就是好好低头拉车
看路比较少， 讲证据， 这可能就是五石说的玻璃天顶，只有认识到才能突破
这就是我的意思 |
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q****0
发帖数: 282 | 19 http://qing.weibo.com/tj/6ef1ddf033000jyh.html
我和Arthur是到美国才认识的. 开始只知道他叫Arthur, 中文名是后来在网上才知道是
哪几个字. 开学一打听, 发现项目里直接从大陆过来的就我们两个人, 另外有一个虽然
也是,但有绿卡, 我们说不算. 而又凑巧, 我俩都住在一栋学生公寓里. 他比我年长,
人非常和善, 总是笑眯眯的. 我们通过一些集体活动, 慢慢也成熟识了.
(一)
记得新生见面会, 我说这些人个个都身怀绝技, 感觉自己的经验太浅, 压力很大. 他就
告诉我别担心, "既然大家都进了这个项目, 说明都在同一个层次上, 谁怕谁啊?" 我于
是才稍有淡定. 慢慢地发现他很幽默, 说到好笑的地方自己也哈哈大笑, 很有意思. 他
在国内的社会经验很丰富, 秒杀我这种学院派无脑型.
我们公寓离学校不近也不远, 走路要走二十分钟. 我本来打算买一辆自行车, 但是有坡
, 感觉不能胜任, 只好步行. 来了没多久, Arthur就弄了一辆超酷的车——电动儿童摩
托车, 大摇大摆地在街上骑. 我一见这么前卫的举动, 卧槽, 酷毙了!! ... 阅读全帖 |
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b*s
发帖数: 82482 | 20 Runs on PowerPC, they're fast and energy efficient
with a bright future.
User friendly environment. The Macintosh is
overall easier to navigate through than any other
OS. It has been more intuitive since its inception.
This advantage has been weakened with each new
release of Windows.
User Interface guidelines. The OS and finder are
done more intuitively than you'd ever realize
consciously. From Black text on whi |
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c**********a
发帖数: 70 | 21 Steve Jobs’ commencement address delivered at Stanford University on June
12, 2005
I am honored to be with you today at your commencement from one of the
finest universities in the world. I never graduated from college. Truth be
told, this is the closest I’ve ever gotten to a college graduation. Today,
I want to tell you three stories from my life. That’s it. No big deal. Just
three stories.
The first story is about connecting the dots.
I dropped out of Reed College after the first six months, b... 阅读全帖 |
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M*****t
发帖数: 26706 | 22 【 以下文字转载自 Arizona 讨论区 】
发信人: Macboat (嚞譶), 信区: Arizona
标 题: 乔不斯写给妻子的信，及译文欣赏
发信站: BBS 未名空间站 (Tue Nov 1 17:10:32 2011, 美东)
我在围脖上看来的，觉得翻译得太好了。转来大家共赏。
＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝＝
We didn't know much about each other twenty years ago. We were guided by our intuition; you swept me off my feet. It was snowing when we got married at the Ahwahnee. Years passed, kids came, good times, hard times, but never bad times. Our love and respect has endured and grown. We've been through so much together and... 阅读全帖 |
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w********1
发帖数: 3492 | 23 Fri, 20 Jul 2012 09:06:33 PDT
Alternative email client Sparrow has been acquired by Google. From Sparrow's
website:
We're excited to announce that Sparrow has been acquired by Google!
We care a lot about how people communicate, and we did our best to provide
you with the most intuitive and pleasurable mailing experience.
Now we're joining the Gmail team to accomplish a bigger vision — one that
we think we can better achieve with Google.
We’d like to extend a special thanks to all of our users wh... 阅读全帖 |
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p**o
发帖数: 3409 | 24 随手打开一个网页
http://www.apple.com/macbook-pro/
数了数那些形容词、副词，或者描述主观感受的词，竟然没有重复的
highest, stunning, marvel, you've never seen, razor sharp, the world's most
advanced, unprecedented, amazingly compact, superslim, state-of-the-art, we'
ve ever made, incredible, powerful, intuitive, wonderfully
当然点开各个子页面，重复的词汇逐渐多了起来，尤其是 "incredible" 重复次数有些
过多。听苹果的keynote也是这个感觉。
http://www.apple.com/macbook-pro/features-retina/
groundbreaking, remarkably thin and light, a place it's never been, never-
before-seen, supercom... 阅读全帖 |
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m*******9
发帖数: 103 | 25 组里急需DE contractor，收到几十份agency提交的简历，清一色的烙印。来这里看看
有没有朋友感兴趣？学校不需要很好（任何一个美国学校都秒杀绝大多数印度学校），
专业无需CS，但要有几年相关经验。 由于工作强度大， 一定要有兴趣。very
competitive compensation. Core skills: SQL and Python. 有意或有问题发邮件到
： [email protected]/* */
*******
Build data expertise and own data quality for the awesome pipelines you
build
Architect, build and launch new data models that provide intuitive analytics
to your customers
Design, build and launch extremely efficient & reliable data pipelines to
move data (both large ... 阅读全帖 |
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m******t
发帖数: 2416 | 26
If this were in C++, intuitively it would depend on whether g() is
vitual, so as intuitively, since in Java every method is vitual, A::g()
should always be called.
But you do have a point.
I agree, but firstly we all agree that it usually implies a bad design
to require to invoke a specific Method from a superclass, secondly
even when we assume there is a legitimate reason for us to do that,
the accompanying design must be complicated to begin with. |
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L*****e
发帖数: 8347 | 27 看了新一轮的口水战，让我想起scientit和engineer的区别，scientist主要探索物理
规律并顺便满足人的需要，engineer是主要满足人的需要顺便观察一下物理规律。其实
双方借鉴一下对方的思维方式，都可能发现别有洞天。
Elon Musk最近在TED talk上有这么一段话：I do think that there is a good
framework for thinking and it's physics. You know, the first principle is
reasoning. What I mean by that is boil things down to their fundamental
truths and reason up from there as opposed to reasoning by analogy. Through
most of our life we get through life by reasoning by analogy, essentially
mean by copying what othe... 阅读全帖 |
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k**********g
发帖数: 989 | 28
Start with Java Executors.
Learn how to use it just like the Runnable and Callable class.
http://docs.oracle.com/javase/7/docs/api/java/util/concurrent/E
For example, if your goal is to write Android programs, (1) Executors is
basically all you need - the only other things you need are (2) thread
safety on Android, and (3) understand when and why you need to call Activity
.runOnUiThread() in some situations
C++ didn't have anything in the standard library comparable to Java
Executors. Design-by... 阅读全帖 |
|
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c*******v
发帖数: 2599 | 30 ANN is unstoppable. Much much better than 5 years ago's result.
(1) guvest原文
你是与世隔绝的非洲村子里的黑人，他是欧州文明巅峰期的白人，你们的意识从无有交
集。但是你们会有很多很多重复的，无法用偶然解释的相同的big dream。这是对空间的
跨越。那么还有时间，荣格认为，人的直觉是针对时间的，也就是说，梦有预言的功能。
具体怎么实现的，这个不清楚。但他举了很多病例。在这个短短的讲座书里面，
他没有详细解释。只是说是自己深广研究大面积材料的得到的结论。不是一句话能讲清
楚。还有一点更神奇的。荣格认为身心联系是很难解释的。但是身心必有联系。
通过谈话和看病人画的图，他有时候能看出来病人的器官病变。并且分析了一些例子。
(2) Goog translate
You are isolated from the African village of blacks, he is the culmination
of the culmination of the European civilization, your co... 阅读全帖 |
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M*******s
发帖数: 108 | 33 并不一定医生和生物学家能搞懂很多东西
觉得 Dynamic fluorescing 以后肯定是生物学发展的主要手段 因为 现在对
dynamic 的数据要求越来越多 static 的数
据已经没法满足生物模型的验证了
原来的生物学研究基本是 静态 的 focus在结构和qualitative的关系上面 这种研
究基本是有个intuitive的模型和
hypothesis（基本都只是在自己的脑子里有个模糊的模型）然后通过实验验证
但是这种研究方式已经基本快到头了 再用同样的methodology已经不够了 所以
dynamics 和 quantities 是必须的，这
样光靠intuitive的模型根本不够了 于是需要mathematical modeling和
computational simulation来帮助我们建立
hypothesis和model
所以说，分析生物数据以后不会成为生物学研究的中心（但肯定是必要的手段和工具，
除非你去研究数据分析方法，那就是
专门去研究统计了），真正能够成为中心的 是 math，model 和 |
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F*******I
发帖数: 200 | 34 如果你有时间，请你读一读下面的文章，你就知道你是怎么样的一个人了！
我把最重要的两段摘在前面供你参考.
这两段里面最重要的一句话，我再摘出来放在最前面：
“Don’t forget that the liar lacks empathy: As hard as it is to believe, it
is true.”
empathy[`emp[Wi]
移情：对他人思想、感情和行为(甚至那些悲痛和纷乱的感情和行为)的理智性和感情上
的认识和理解。移情(empathy)强调理解而同情(sympathy)强调分担他人的感情和体验。
翻译： 一个说谎者（这里指病态的）缺乏同情心。虽然难以置信，但这是一个事实。
Don’t forget that the liar lacks empathy: As hard as it is to believe, it
is true. The liar does not have any moral consciousness of how the lying
behavior may make you feel. The liar does not ... 阅读全帖 |
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x********4
发帖数: 405 | 35 true.... economic intuition is very important and is more important for
corporate finance. but once your finish courses and start doing research,
you will find that if you do asset pricing theory, math may be more
important.
of course, you need to have very good economic intuition, otherwise, you may
have to find a co-author to work on papers... |
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i*******e
发帖数: 349 | 36 赞
几个星期前看了blanchard的文章，the state of macro，有些地方记得不是很清楚了
，凭印象说一下，说错的地方请大家纠正。blanchard说现在主流宏观的方法太接近，
都是先在经典的RBC或者sticky price的DSGE模型里面引进一个变型，simulate后说解
释了某现象（我觉得估计DSGE也是差不多的，因为通常用需要用bayesian方法和采取非
常tight的prior，和simulation的差别应该不会太大）。blanchard说很多时候DSGE里
面很难获得intuition（有的教授觉得有点DSGE像blackbox），他主张适当应用partial
equilibrium的模型，抽象掉一些不重要的方面，提炼出更加敏锐的intuition和
prediction。
新古典宏观引进了微观的基础和incentive，当然是正确的，不过新古典太不愿意偏离
有效市场太远，他们的问题也许在于引入的微观结构还不够。同时，更丰富的微观结构
放在DSGE里面肯定不容易求解，这种情况下放弃GE也许是一个选择，或者期待新的技术
手段。比如LZ说的金融机构、政府 |
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l******n
发帖数: 412 | 37 闭门造车的问题确实是经济金融研究的一个很大的问题，就汇率这块来说，市场是怎么
形成价格的，哪些人在市场交易，为何交易，如何交易，这些问题都没有搞清就要建模
型解释汇率，这样的模型确实是建立在很弱的微观基础之上的，这也是为什么70年代布
雷顿森林体系结束浮动汇率开始以来近40年，汇率决定问题还没有得到很好解决的根本
原因。
造成这种局面的原因是多方面的，就我的观察，一是学者和交易员关注的角度不同，学
者要建模型解释intuition，跟随大牛发top文章评tenure（尽管大牛也不一定真正懂市
场），而交易员的唯一目的是挣钱。交易员的trading strategy很可能是data mining
的结果或是建立在长期经验的基础上一个感觉而已，但学者不能满足于没有economic
intuition的relationship。二是，职业目标不同。交易员不需要phd，成功的交易员赚
的钱是教授不能比的，谁有incentive去读phd做教授呢？再说成功的strategy或model
自己挣钱就好，干嘛要发表出来？要发也是写成书，到处trading seminar的那种，比
写范式的acade |
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t********s
发帖数: 5 | 38 introducing forgeting factor hurts the performance if fd = 0, intuitively ..
. but if fd is not zero, forgeting factor may improves or degrades the
performance, still intuitively ... smoothing should have the same effect ..
by the way, you do realize that you are implementing a LS algorithm that is
not optimal if the fd is known or has a known distribution? |
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a***o
发帖数: 969 | 39 我蛮喜欢袋鼠的，commutative algebra也觉得还行啊
不过scheme就是觉得没有那么intuitive罢了
有没有什么intuition可以visualize它啊
atiyah那本书写的很好啊，很好理解啊 |
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d********e
发帖数: 30 | 40 【 以下文字转载自 Statistics 讨论区 】
发信人: diphontine (Hello World), 信区: Statistics
标 题: Looking for help on Kalman Filter and/or VAR $20/hr OBO
发信站: BBS 未名空间站 (Thu Oct 13 22:33:01 2011, 美东)
I am looking for someone to give me some intuition about Kalman Filter and/
or Vector Auto Regression face-to-face. I live in Manhattan during the week
and Southern Jersey (Monmouth/Ocean County) over weekend.
I have an undergrad in Math (mostly number theory and combinatorics) and phd
in computer science. I am look... 阅读全帖 |
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l***o
发帖数: 7937 | 42 http://www.scmp.com/lifestyle/technology/article/1256542/zhang-
No mathematician should ever allow himself to forget that mathematics, more
than any art or science, is a young man's game," the British mathematician G
.H. Hardy wrote in A Mathematician's Apology. But the older guys are now
catching up.
Since Hardy wrote those lines in 1940, it has been conventional wisdom that
mathematical breakthroughs are most often made in a moment of brilliance by
a born genius at a young age, rather than an ... 阅读全帖 |
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