y*b
发帖数: 3190 | 1 "Lensrentals tested the new 24-70mm Sony GM lens and there are two good news:
World Class Optical Quality:
LR writes that it has “impressive MTF curves with excellent resolution“.
Compared with the Canon and Nikon 24-70mm lenses “the Sony is at least as
good as the other two lenses. It actually has the best center resolution,
particularly at higher frequencies, which backs up Sony’s statement that
this lens was designed with high-resolution sensors in mind.“
Low Copy-to-Copy Variation:
“To my su... 阅读全帖 |
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g*****5
发帖数: 91 | 3 【 以下文字转载自 pets 讨论区 】
发信人: benbenma (猪猪), 信区: pets
标 题: [合集] 如果你不愿意吃狗肉和猫肉，为什么吃鸡肉? (转载)
发信站: BBS 未名空间站 (Sat Nov 27 22:41:37 2010, 美东)
☆─────────────────────────────────────☆
purity (purity) 于 (Sat Nov 27 22:10:55 2010, 美东) 提到:
【 以下文字转载自 Vegetarianism 俱乐部 】
发信人: purity (purity), 信区: Vegetarianism
标 题: 如果你不愿意吃狗肉和猫肉，为什么吃鸡肉?
发信站: BBS 未名空间站 (Thu Nov 25 07:39:04 2010, 美东)
http://article.yeeyan.org/view/185743/147710
如果你不愿意吃狗肉和猫肉，为什么吃鸡肉?
moviemovie于2010-11-04 00:42:11翻译
作者：布鲁斯．弗莱德茨（Bruce Friedrich... 阅读全帖 |
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c**i
发帖数: 6973 | 4 (1) Leave "ruomu" alone.
He is certainly guilty of piracy/theft of itellectual property right, by
copying a (so called) news report without attribution--but nothing else.
And we do not shoot a messenger.
Don't kill the messenger. The Phrase Finder, undated.
http://www.phrases.org.uk/bulletin
_board/3/messages/520.html
In fact this is a terrific "teachable moment."
(2) Judging from the timing, I presume ruomu's piracy is inspired by my
recent posting:
兰州拉面 in Manhattan. Food Board, Feb 3, 2011.
... 阅读全帖 |
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p****y
发帖数: 23737 | 5 【 以下文字转载自 Vegetarianism 俱乐部 】
发信人: purity (purity), 信区: Vegetarianism
标 题: 如果你不愿意吃狗肉和猫肉，为什么吃鸡肉?
发信站: BBS 未名空间站 (Thu Nov 25 07:39:04 2010, 美东)
http://article.yeeyan.org/view/185743/147710
如果你不愿意吃狗肉和猫肉，为什么吃鸡肉?
moviemovie于2010-11-04 00:42:11翻译
作者：布鲁斯．弗莱德茨（Bruce Friedrich）
最近数以亿计的鸡蛋被召回，对于经常食用鸡蛋的大众来说，这无疑是个坏消息。令人
没有想到的是,这样一来，鸡被推到了聚光灯下，全社会都在关注这些鸡肉的来源。
由此产生的的后果就是漫天铺地的媒体报道。无论是黛安．索亚，还是艾米．古德曼的
电视报道(译者注：这两位都是著名的电视记者），无论是纽约时报数篇评论还是CNN的
简．米歇尔深度分析都让美国民众震惊，他们没有料到鸡在美国受到如此残忍的对待。
因祸得福的是美国人因此认识到了鸡的遭遇。在美国的任何地方，数以百万... 阅读全帖 |
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y****i
发帖数: 2108 | 6 2011年1月的commentary review.
把结论部分给你摘出来：
The important message 。。。 is that the functional results 。。。are
less
favorable 。。。compared with the excellent reports of Xiao [1].
only one of eight sacral nerves innervating the bladder with at best
20–30%
of the total sacral parasympathetic outflow to the urinary bladder is
activated on stimulation for initiation of micturition.
The authors’ plea is noteworthy, to continue scientific evaluation of
the
risks and the benefits of this procedure before it may... 阅读全帖 |
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s********n
发帖数: 4346 | 7 The real reasons people oppose gay marriage
So far, we've examined the reasons everyone give for opposing gay marriage.
Let's examine now the real reasons people oppose it, even fear it:
1. Just not comfortable with the idea. The fact the people aren't
comfortable with the idea stems primarily from the fact that for many years,
society has promoted the idea that a marriage between members of the same
sex is ludicrous, mainly because of the objections raised above. But if
those objections don't m... 阅读全帖 |
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t*******r
发帖数: 22634 | 8 个人无根据地猜想，一定程度上，是不是跟某种 genetic variation
有关，该种 genetic variation 目的是保持 minority 基因。
在进化过程中，保持种群中的 minority 基因，有助于保持种群的基因
多样性，以对抗环境突然变化。 |
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C**r
发帖数: 3 | 9 北京八中神童班的（初高中连读），14岁上清华，18岁清华3字班毕业，然后到MIT读博
，读书期间竟然拿到了美国绿卡。。。
贴个她的简历吧
来源：web.mit.edu/mdwang/www/CV.pdf
Mengdi Wang
Department of Electrical Engineering and Computer Science
Massachusetts Institute of Technology (MIT)
77 Mass. Ave., 32-D678
Cambridge, MA 02139
Mobile: 617-543-7694
Email: mdwang at mit dot edu
http://www.mit.edu/~mdwang/home.html
Research Interests
•Large-scale optimization problems that are driven by big data or
random processes, and related
stochastic methods.
R... 阅读全帖 |
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w******e
发帖数: 953 | 10 How safe does transgenic food need to be?
Laura DeFrancesco1
Journal name:
Nature Biotechnology
Volume:
31,
Pages:
794–802
Year published:
(2013)
DOI:
doi:10.1038/nbt.2686
Published online 10 September 2013 Corrected online 26 September 2013
Article tools
PDF
How safe does transgenic food need to be?
Download as PDF (812 KB) View interactive PDF in ReadCube
Citation
Reprints
Rights & permissions
Article metrics
Disputes over how to assess a foodstuff's safety continue to play into
public fears a... 阅读全帖 |
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l*y
发帖数: 21010 | 11 【 以下文字转载自 Military 讨论区 】
发信人: ldy (大才001), 信区: Military
标 题: 按照科学规定室内温度是不得高于72的 否则会有人生病 Owing to variations in humidity and likely clothing, recommendations for summer and winter may vary; a suggested typical range for summer is 23 °C (73 °F) to 25.5 °C (78 °F), with that for winter being 20 °C (68 °F) to 23.5 °C (74 °F).[2] Although by other considerations the maximum should be below 24 °C (75 °F) – and for sick building syndrome avoidance, below 22 °C (72 °F).[2]
发信站: BBS 未名空间站 (Tue Jun 23 1... 阅读全帖 |
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z*********e
发帖数: 10149 | 12 PSA: Here's a list of hints a girl likes you. Disclaimer: every girl is
different.
Observe her "baseline behavior" and see if she has deviations from that
behavior. Example: She doesn't touch anyone, but hugs you a lot.
Girls prefer to "create opportunities" for the guy to make a move, rather
than make a move herself. These are clues, not confirmation. Real answer is
to ask her out.
She says compliments like, "Hey, I like your shirt." If she keeps walking,
no go. If she stays to chat? Stop, talk... 阅读全帖 |
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s********n
发帖数: 4346 | 13 【 以下文字转载自 WaterWorld 讨论区 】
发信人: spinozafun (花脚猫), 信区: WaterWorld
标 题: The real reasons why people are against gay marriage
发信站: BBS 未名空间站 (Sat Jun 9 21:43:39 2012, 美东)
The real reasons people oppose gay marriage
So far, we've examined the reasons everyone give for opposing gay marriage.
Let's examine now the real reasons people oppose it, even fear it:
1. Just not comfortable with the idea. The fact the people aren't
comfortable with the idea stems primarily from the fact that for many years,
... 阅读全帖 |
|
p****y
发帖数: 23737 | 14 【 以下文字转载自 Vegetarianism 俱乐部 】
发信人: purity (purity), 信区: Vegetarianism
标 题: 如果你不愿意吃狗肉和猫肉，为什么吃鸡肉?
发信站: BBS 未名空间站 (Thu Nov 25 07:39:04 2010, 美东)
http://article.yeeyan.org/view/185743/147710
如果你不愿意吃狗肉和猫肉，为什么吃鸡肉?
moviemovie于2010-11-04 00:42:11翻译
作者：布鲁斯．弗莱德茨（Bruce Friedrich）
最近数以亿计的鸡蛋被召回，对于经常食用鸡蛋的大众来说，这无疑是个坏消息。令人
没有想到的是,这样一来，鸡被推到了聚光灯下，全社会都在关注这些鸡肉的来源。
由此产生的的后果就是漫天铺地的媒体报道。无论是黛安．索亚，还是艾米．古德曼的
电视报道(译者注：这两位都是著名的电视记者），无论是纽约时报数篇评论还是CNN的
简．米歇尔深度分析都让美国民众震惊，他们没有料到鸡在美国受到如此残忍的对待。
因祸得福的是美国人因此认识到了鸡的遭遇。在美国的任何地方，数以百万... 阅读全帖 |
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b******a
发帖数: 12216 | 15 ☆─────────────────────────────────────☆
purity (purity) 于 (Sat Nov 27 22:10:55 2010, 美东) 提到:
【 以下文字转载自 Vegetarianism 俱乐部 】
发信人: purity (purity), 信区: Vegetarianism
标 题: 如果你不愿意吃狗肉和猫肉，为什么吃鸡肉?
发信站: BBS 未名空间站 (Thu Nov 25 07:39:04 2010, 美东)
http://article.yeeyan.org/view/185743/147710
如果你不愿意吃狗肉和猫肉，为什么吃鸡肉?
moviemovie于2010-11-04 00:42:11翻译
作者：布鲁斯．弗莱德茨（Bruce Friedrich）
最近数以亿计的鸡蛋被召回，对于经常食用鸡蛋的大众来说，这无疑是个坏消息。令人
没有想到的是,这样一来，鸡被推到了聚光灯下，全社会都在关注这些鸡肉的来源。
由此产生的的后果就是漫天铺地的媒体报道。无论是黛安．索亚，还是艾米．古德曼的
电视报道(译者注：这两位都是著... 阅读全帖 |
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m**********e
发帖数: 2808 | 16 首先个人感觉，高智商其实和成功甚至美满生活没有多大关联，最多就是反应快些，学
的东西多些，从而人生一些微妙的生趣多些而已。
基本上主流的看法是智商多是遗传的，但研究也不是那么粗暴直接地把父母和子女智商
看看相关系数而已，因为这样很难分开生理上遗传和家庭环境的关系，因此不少研究都
是用自小分开的identical twins来做的，暂时研究的结果是五成以上的智商variation
（具体数字不记得了）可以有生理解释。当然这个也不代表智商绝大部分是由基因决定
，因为哪怕是自一出生就分开的identical twins，他们除了有一模一样的基因外，还
有一模一样的子宫环境，怎么分开这个，也难。而且这些identical twins的研究的准
确性有时也被人诟病，因为收养家庭虽然有不同的情形，但总体来说都是同一个阶层，
variation不够大，那么rag和rich差别那么大的阶层对智商的影响如何呢？只从中产阶
级的数据中extrapolate不是那么严谨的。
至于是父还是母对智商影响大，未有定论，暂时是偏向母亲，但是限制条件还是很多的
（在这里的人，不少人都应该知道很多结论是有限制条件吧。。... 阅读全帖 |
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d**********2
发帖数: 831 | 17 Rate of de novo mutations and the importance of father’s age to disease
risk
Nature 488, 471–475 (23 August 2012)
Mutations generate sequence diversity and provide a substrate for selection.
The rate of de novo mutations is therefore of major importance to evolution
. Here we conduct a study of genome-wide mutation rates by sequencing the
entire genomes of 78 Icelandic parent–offspring trios at high coverage. We
show that in our samples, with an average father’s age of 29.7, the average
de novo ... 阅读全帖 |
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S*********o
发帖数: 1334 | 18 不明白你要想问什么，你先说说你看过什么书，这些书有没有证明眼球是进化来的，就
是说找出“numerous gradations from a perfect and complex
eye to one very imperfect and simple, each grade being useful to its
possessor, can be shown to exist; if further, the eye does vary ever so
slightly, and the variations be inherited, which is certainly the case; and
if any variation or modification in the organ be ever useful to an animal
under changing conditions of life”，这个渐进的过程的每一步要细到能通过随机
变异达到，（像达尔文那样总共就列出三四个阶段显然是太粗糙了），却又要每一步都
产生足够的生存优势。 |
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D*****y
发帖数: 5788 | 19 【 以下文字转载自 TrustInJesus 讨论区 】
发信人: Dignity (饥不择食), 信区: TrustInJesus
标 题: [合集] 有请某文化人来说说进化论-三日为限
发信站: BBS 未名空间站 (Thu Dec 30 15:50:31 2010, 美东)
☆─────────────────────────────────────☆
jym2307 (罪魁) 于 (Tue Dec 7 19:14:10 2010, 美东) 提到:
从哪里说起都可以
只有一条，最好代表当今进化论的权威
否则不要天天浪费大家的时间跟你一起打酱油
基督版不是给你进化论妄想打酱油的地方
☆─────────────────────────────────────☆
jym2307 (罪魁) 于 (Tue Dec 7 19:16:08 2010, 美东) 提到:
给你三天时间放狗去找
够了吧？
☆─────────────────────────────────────☆
atep (嘚嘚) 于 (Tue Dec 7 23:28:47 2010, 美东... 阅读全帖 |
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N****f
发帖数: 25759 | 21 俺觉得个体variation或许比群体variation更大。
反倒 |
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s******l
发帖数: 278 | 22 Natural selection has been described as an environment
selectively screening for those who will have progeny. Where
humans are concerned, though, this is an extremely limiting
viewpoint. Reproduction by sex tends toward experiment and
innovation. It raises many questions, including the ancient
one about whether environment is a selective agent after the
variation occurs, or whether environment plays a
pre-selective role in determining the variations which it
screens. Dune did not realty answer t |
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b*********n
发帖数: 1607 | 23 就用http://www.nap.edu/openbook.php?record_id=11876来说。下面的文字引用自他的
21-22页：
For life to begin, three conditions had to be met. First, groups of
molecules that could reproduce themselves had to come together. Second,
copies of these molecular assemblages had to exhibit variation, so that
some were better able to take advantage of resources and withstand
challenges in the environment. Third, the variations had to be
heritable, so that some variants would increase in number under
favorable environmental... 阅读全帖 |
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D*****y
发帖数: 5788 | 24 ☆─────────────────────────────────────☆
jym2307 (罪魁) 于 (Tue Dec 7 19:14:10 2010, 美东) 提到:
从哪里说起都可以
只有一条，最好代表当今进化论的权威
否则不要天天浪费大家的时间跟你一起打酱油
基督版不是给你进化论妄想打酱油的地方
☆─────────────────────────────────────☆
jym2307 (罪魁) 于 (Tue Dec 7 19:16:08 2010, 美东) 提到:
给你三天时间放狗去找
够了吧？
☆─────────────────────────────────────☆
atep (嘚嘚) 于 (Tue Dec 7 23:28:47 2010, 美东) 提到:
请最虔诚的罪魁来说说基督教-三日为限
从哪里说都可以
该不该蒙头 该不该抹油 该不该搞基 该不该吃转基因食物
只有一条 要代表当今基督教的权威答案 好让这些问题有统一答案
给你三天时间 放狗去搜吧
☆─────────────────────────────────... 阅读全帖 |
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G******e
发帖数: 9567 | 25 1、American Standard Version (1901). Marginal note: "Most of the ancient
authorities omit John vii. 53--viii. 11. Those which contain it vary much
from each other."
2、Revised Standard Version (1946). 7:53-8:11 given in the margin, with the
note, "Most of the ancient authorities either omit 7.53-8.11, or insert it,
with variations of the text, here or at the end of this gospel or after Luke
21.38." Since 1971 the section is printed as ordinary text, with the note,
"The most ancient authorities omi... 阅读全帖 |
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l**********t
发帖数: 5754 | 26 The first sentence cracks me up "Evolution is not a random process...the
genetic variation on which natural selection acts may occur randomly... " --
- is it random or not? So a control process (regarless "random" or not) with
random inputs is NOT random? Very convincing arugemnt! Curious why I haven'
t seen any serious biologists cite "pbs.org" postings for references.
But at least you are learning more about the difference between "random" and
"mutation" or "variation", key concepts in the Da... 阅读全帖 |
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l**********t
发帖数: 5754 | 27 Great. we finally reached agreement on the key point. IMHO, the "evolution
theory" science is silent on the root cause of the variations ( " not
knowing the cause of the random mutations...."), and thus describe them as "
random" (to represent changes due to intractable/unknown cause by chance, regardless how low the probability is). There is
nothing wrong with it but you have to acknowledge the unknown causes.
And I believe God is the root cause for these changes (via meanings beyond
my underst... 阅读全帖 |
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l**********t
发帖数: 5754 | 28 发信人: Eloihim (真神), 信区: TrustInJesus
标 题: Re: 基督徒的潛規則(三 ) 絕不直接回答問題
发信站: BBS 未名空间站 (Sat Jun 11 06:38:43 2011, 美东)
why not?
I believe in the Bible.
exactly, I believe the variations are designed/introduced by God, 非隨機..
The "evolution theory" attributes the variations to "unknown" root causes.
the selection is designed by God, thru the biochemical rules & selecting
environments. In "Evolution theory", the environments are "external" to the
theory, as given assumptions.
of course I disagree with th... 阅读全帖 |
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l**********t
发帖数: 5754 | 29
IMHO, assumptions are key to the validity of any scientific theory.
For example, in Darwin's evolution theory, the assumption is genetic
variations are randomly introduced, which are then subject to natural
selection. This is in contrast to Lamarck's theory of adaption, which
assumes genetic variations occur not randomly, but in response to
environments (acquired characteristics is past to next generation). Without
looking into the underlying mechanism (genetics), both theories may explain
obse... 阅读全帖 |
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l**********t
发帖数: 5754 | 30
because it is faith vs. assumption.
that's incorrect. you can produce whatever mutation in the lab, but these
are not the unique mutations that lead to the unique events in the sequence
of events that lead to the life/human appearance (not to mention the unique
environment states that enforce the "natural selection")
again, you observed these OUTCOMES and the underlying mechanics is
attributed to uncertainty in theromal dynamics.
"不管这些variation最初是怎么形成的" -- I think 不管这些variation最初是怎么形
成的 is the... 阅读全帖 |
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I****2
发帖数: 1091 | 31 http://www.newscientist.com/article/dn14094-bacteria-make-major
Lenski's experiment is also yet another poke in the eye for anti-
evolutionists, notes Jerry Coyne, an evolutionary biologist at the
University of Chicago. "The thing I like most is it says you can get these
complex traits evolving by a combination of unlikely events," he says. "That
's just what creationists say can't happen."
http://phys.org/news104764947.html
How bacteria evolve into superbugs
Researchers at McGill and Oxford Uni... 阅读全帖 |
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l**********n
发帖数: 675 | 32 进化论在科学上的种种难题
一 进化论若干证据分析
（一）胚胎重演论
大多数高中生物学课本中都有一张胚胎发育图，显示鱼、蝾螈、乌龟、鸡、猪、牛、兔
、人等动物在胚胎发育不同阶段的侧面图，其原版收藏在伦敦大学的Bodleian图书馆，
它的作者是十九世纪德国Jena大学的生物学教授海克尔（Ernst Haeckel）。从这张图
得出的结论是，虽然这些动物成年后形态各不相同，但是由于它们是由共同的祖先进化
而来，所以在胚胎发育过程中均有一个形态相似的阶段，这就是“胚胎重演论”（
Ontogeny recaptulates phylogeny）。
可以用“日晷模型”（Hourglass model）来阐述胚胎重演论，其横轴显示进化过程中
形态上的差异，纵轴显示胚胎发育时期，就象日晷一样，胚胎早期都是受精卵，胚胎发
育成熟后，就成了各种形态各异的动物，也就是说，不管这些动物发育成熟后形态上的
差异有多大，但在胚胎发育的某个阶段，其形态仍旧会重演一个类似鱼的形态。这个理
论和模型的价值在于，它提示在胚胎发育的过程中，残留物种进化的痕迹。这个理论强
有力地支持了进化论，并且作为进化论的一个主要证据，... 阅读全帖 |
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d********i
发帖数: 113 | 33 全文转载如下。
－－－－－－－－－－－－－
起初神创造－评进化论的由来与谬误
“起初神创造诸天与地”（创一1），这是圣经开宗明义的第一句话，这也是阿波罗八
号登月宇宙飞船上的宇航员首次到达月球外围时，发到地球上的第一个讯息。
当人观赏宇宙的伟大、恢宏、规则、精确，不能不想到其设计者；当人细察地球上亿万
生物的奇姿多彩、变化万千和巧妙配搭，也不能不联想到生命的源头和创始者（徒三15
）；当人站在镜子前观看自己身体构造的奇妙，或在夜深人静时思想内心世界的丰富和
良心感觉的可畏，不能不赞叹“因我受造奇妙可畏；你的作为奇妙，这是我心深知道的
”（诗一三九14）。
然而，自一八五九年达尔文发表《物种起源》（The Origin of Species）（这是达尔
文所提出的解释宇宙、生命和人起源的假说），提出进化学说之后，进化的思想就如野
火蔓延，甚至写进许多国家的教科书里。因着进化论的教育，许多人误把进化论当作科
学真理，而把圣经中所启示的“起初神创造”当作不合科学的神话。这一进化学说蒙蔽
人的心思，拦阻人对宇宙创造者和宇宙存在意义的追寻，贬低人生存的意义和价值，导
致社会道德的退化。
本文通过... 阅读全帖 |
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z********o
发帖数: 18304 | 34 基督徒的离婚率比无神论者和不可知论者的离婚率加起来还高得多。
http://www.religioustolerance.org/chr_dira.htm
Barna report: Variation in divorce rates among Christian faith groups:
Denomination (in order of decreasing divorce rate) % who have been divorced
Non-denominational ** -- 34%
Baptists --------------------- 29%
Mainline Protestants ------- 25%
Mormons ------------------- 24%
Catholics -------------------- 21%
Lutherans ------------------- 21%
Variation in divorce rates by religion:
Religion % ha... 阅读全帖 |
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P******l
发帖数: 1648 | 35 These are just google results from Apologetics websites for further study
and thoughts. Those who try to mess up with malicious attitude will get what
they deserve. On the other hand, we welcome sincere questions and are
willing to discuss about these together with mutual respect. Thanks.
http://askjohnmackay.com/blood-groups-how-a-b-ab-o-rh-blood-groups-from-adam-eve/
About the author: Diane Eager
Diane Eager has a background in medicine, and was a lecturer in biomedical
sciences at Univer... 阅读全帖 |
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r****n
发帖数: 7315 | 36 http://blogs.msdn.com/b/eric_brechner/archive/2009/11/01/sponta
Spontaneous combustion of rancid management
ericbrec 31 Oct 2009 11:00 PM Comments 4
What's good for you isn't always good for your group. Obvious, right? You
can call it local versus global optimization. You can get geek philosophical
about it and say, "The needs of the many outweigh the needs of the few…or
the one." Or you can simply notice the difference you feel between zany
ideas from the intern (cool) versus zany ideas from yo... 阅读全帖 |
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d****i
发帖数: 1038 | 37 My understanding is, technology wise IOS is obsolete, but due to the feature
base and customer base it cannot be abandoned at this stage and still needs
to be sustained. Meanwhile, new architecture/technology has to be
introduced, which are today's other variation of IOS ...
One variation is, in the future IOS will be running on Linux kernel. I like
this idea. but still a long way to go. |
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d****n
发帖数: 12461 | 38 ☆─────────────────────────────────────☆
xiaoxiaoren (可爱小宝宝) 于 (Sat Aug 18 20:23:47 2012, 美东) 提到:
本子一用就是6年，vendor还赚什么钱啊？
现在别的不要比，只要把你们dell啦，hp啦，beat掉，就行了。
现在比来弄我强的本子还真是不多，
国内的神州也许算一个，便宜，配置高，service好，据说免费扫灰+免费加油。
当然了，商务精英需要每隔3个月去保养，也就是joke了。
☆─────────────────────────────────────☆
baal (白日梦) 于 (Sat Aug 18 21:11:44 2012, 美东) 提到:
我看现在的T系列不如latitude
☆─────────────────────────────────────☆
vMars (vMars) 于 (Sat Aug 18 21:28:00 2012, 美东) 提到:
dell，hp也分三六九等，高端的型号一点不差，就是被低端的毁了名声而已
具体到型号的话，W... 阅读全帖 |
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a***m
发帖数: 74 | 39 I have to use MC for 1e+9 runs to get the required accuracy. It roughly
takes 1000/2/60 = 7-8 hours to get a set of result.It's too time consuming.
I wonder if there are ways to accelerate matlab runs.
1. I heard about compiling matlab m file into execution file that can
operate at a speed similar to C. I am not sure how to do it.
2. I can try other MC methods, for example, control variate etc. Assume I
have a control variate that I know the true value, how do I use it to
accelerate MC speed?
An |
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t****t
发帖数: 6806 | 40 no, most ppl don't need that. just know istream and ostream and their
variations is enough (istream is basic_istream, similar for ostream).
their variations include ifstream/ofstream, istringstream/ostringstream.
just know op<< for output, op>> for input, op! (usually you need that
instead of eof() member) to check eof, clear() for opening another file,
manipulators (such as setw(), endl, hex, etc.) for formating, and getline()
for reading a whole line. these are enough for 90% of ppl deal... 阅读全帖 |
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f********x
发帖数: 99 | 41 The world beyond batch: Streaming 101: A high-level tour of modern data-
processing concept
http://radar.oreilly.com/2015/08/the-world-beyond-batch-streami
by Tyler Akidau August 5, 2015
Editor’s note: This is the first post in a two-part series about the
evolution of data processing, with a focus on streaming systems, unbounded
data sets, and the future of big data.
Streaming data processing is a big deal in big data these days, and for good
reasons. Amongst them:
Businesses crave ever more tim... 阅读全帖 |
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