SATS :: Volume #3

#246: What is the imaginary number


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The «Washington Times» sound is not the mainstream, but 1 time in the network makes noisily. 《华盛顿时报》的声音不是主流,但在网络上一时间闹得沸沸扬扬。 …… …… What also has to be able compared with racial discrimination to have topical? 还有什么能比“种族歧视”更具有话题性? Can look, the back donor got down the initial capital, on Twitter and face book can see the sound of discussion everywhere. 看得出来,背后的金主下了血本,推特上和脸书上到处都能看到讨论的声音。 The Chinese foreign student and overseas Chinese community, naturally is the standpoint distinctively stands in this issue this side Lu Zhou, but the black person community and white left community, were obviously filled with righteous indignation. 华人留学生和华侨群体,在这种问题上自然是立场鲜明地站在陆舟这一边,但黑人群体和白左群体,明显就义愤填膺了起来。 However, Lu Zhou at heart actually not too much mighty waves. 不过,陆舟心里倒是没有太多波澜。 First to the present he is not very commonly used Twitter and face book, whats the eyes don't see the heart isn't troubled about, second he has oneself matter to be busy every day, does not have free time to worry about the foreign Internet users to own appraisal. 一来是到现在他都不是很常用推特和脸书,眼不见心不烦,二来是他每天有自己的事情要忙,也没闲工夫去操心外国网民们对自己的评价。 Naturally, even so, just as he said that the opposite threw on the war declaration his desk, did not make a response, rather too not like him. 当然,即便如此,正如他所说的,对面都把战书扔他办公桌上了,不做出点回应,也未免太不像他了。 Quick, by the same day of public lecture. 很快,到了报告会的当天。 Starts also several hours from the public lecture, has arrived in Lu Zhou of Palmer Square, plans first to eat a thing. 距离报告会开始还有几个小时,已经抵达帕尔默广场的陆舟,打算先吃点东西。 Going to the ivy club ate meal definitely is without enough time, after all club on prospect main road, but now his present position, separates half Princeton with there probably. 去常青藤俱乐部吃饭肯定是来不及了,毕竟俱乐部在前景大道上,而现在他现在的位置,和那里大概隔了半个普林斯顿。 Looked for a Texas hamburger near Palmer Square casually, Lu Zhou was preparing to push the door to walk, then in heard broadcast the sound of argument. 在帕尔默广场附近随便找了一家德州汉堡,陆舟正准备推门走进去,便听到里面传来了争论的声音。 Sees only black person brothers, stands in front of the counter, with being full of the sound of superiority feeling said. 只见一位黑人兄弟,站在柜台前面,用充满优越感的声音说道。 „The price of chicken leg hamburger meal is 6 US dollars, Texas roasts ox Bao the price is 7 US dollars, but single product of two meals, respectively is 3.5 US dollars and 4 US dollars. But I notice, in your menu one cup of cola are 1 US dollar.” “鸡腿汉堡套餐的价格是六美元,德州烤牛堡的价格是七美元,而两个套餐的单品,分别是3.5美元和四美元。而我注意到,你菜单上一杯可乐是一美元。” Although you to throwing in Texas roasts the steak not to fix a price, but I through uniting cubic journey group, obtained two values. Namely, your Texas roasts the steak is not only 1.5 US dollars, is 2 US dollars. Therefore, can you under the explanation, present the reason of imaginary number solution in your menu?” “虽然你对附赠的德州烤肉排没有定价,但我通过联立方程组,却得到了两个数值。即,你的德州烤肉排既是1.5美元,又是二美元。所以,你可以解释下,在你的菜单中出现了虚数解的原因吗?” Stands in the counter following Texas man, pulled out the ear with the pinky, did not say patiently: Therefore?” 站在柜台后面的德州佬,用小拇指掏了掏耳朵,不耐烦地说道:“所以呢?” Therefore this is unreasonable.” Professor Enock said righteously, in Nigeria, equation set, but any gets up the thing that the person of high school has been able to make, you sell hamburger in Princeton, should this unable?” “所以这不合理。”伊诺克教授理直气壮地说道,“在尼日利亚,方程组可是任何上过高中的人都会做的东西,你可是在普林斯顿卖汉堡的,该不会连这都不会吧?” The counter following Texas red neck is obviously disinclined to chat with him, urged: No matter what imaginary number non- imaginary number, if you must buy, then please pay money, if you do not buy, troubles you to stand one side.” 柜台后面的德州红脖子明显懒得和他闲扯,催促道:“不管什么虚数不虚数,如果你要买,那么请付钱,如果你不买,麻烦你站到一边。” Although wants with rolling this character, but after all also in starting doing business time, he under restraint violent temper. 虽然想用滚这个字,但毕竟还在开业时间,他还是得克制下暴脾气。 Looks at this uncouthly Texas man, in Notter's eyes appeared a superiority feeling. 看着这个粗鲁的德州佬,伊诺特的眼中不由浮现了一丝优越感。 This superiority feeling, with him stands probably , in Giddy federation university similar. 这种优越感,大概和他站在埃基蒂联邦大学中的时候类似。 The black person young fellow who one crowd of anything do not understand sits in his classroom, but omniscient and omnipotent he is God, all that he wants satisfy with joyfully, can from these compared with his floor, or a weaker person found. 一群什么都不懂的黑人小伙子坐在他的教室里,而全知全能的他便是上帝,他想要的一切满足和喜悦,都能从那些比他更底层,或者更弱的人身上找到。 This feeling, simply like toxicant. 这种感觉,简直就像毒药。 However Professor Enock had not realized obviously, here situation probably and Nigeria is different, even the line of sight of teasing does not notice side to throw. 不过伊诺克教授显然没有意识到,这里的情况大概和尼日利亚不同,甚至没有注意到旁边投来的戏谑的视线。 Stands in his front Texas man, is not these prospects is studying a thing from his, then changes the destiny to flee the black person young fellow in African continent, is not interested in his theory. 站在他面前的德州佬,可不是那些指望着从他那学点东西,然后改变命运逃离非洲大陆的黑人小伙,也对他的学说丝毫不感兴趣。 Has the sleeve in this Texas man to rub, simultaneously to nearby sales clerk server signals with the eyes, together clearly actually not the big sound, from the direction of shop entrance floats. 就在这位德州佬撸起袖子,同时向旁边的店员服务生使眼色的时候,一道清晰却不大的声音,从店门口的方向飘来。 Equation set truly is not the profound thing, will learn in China any high school...... comes a smoked meat sandwich and coffee to me, my a while also has the public lecture, troublesome slightly a bit faster.” Crossed that black person brothers, Lu Zhou placed on the table money. “方程组确实不是什么高深的东西,在华国任何一所高中都会学到……给我来一份熏肉三明治和咖啡,我一会儿还有场报告会,麻烦稍微快点。”越过了那位黑人兄弟,陆舟将钱放在了桌子上。 Sees US dollar, on the face of Texas man squeezed a smiling face finally. 看到美元,德州佬的脸上终于挤出了一丝笑容。 Immediately.” “马上。” Hears the public lecture, the eyebrow of Professor Enock selected selecting, seemed like guessed correctly the status of this China person, the corners of the mouth brought back an interested curve. 听到报告会,伊诺克教授的眉毛挑了挑,似乎是猜到了这位华国人的身份,嘴角勾起了一丝饶有兴趣的弧度。 Sees only him to be unforgiving, pursues asks. 只见他不依不饶,追问道。 How did you explain the price on meal?” “那你如何解释套餐上的价格?” „Very simple, must arrange in order an equation to calculate that this type of obvious thing, this situation we will consider adds a coefficient generally in front of the unknown, you can understand that the so-called margin of preference,” Lu Zhou shrugs , to continue saying that naturally, cannot unite the vertical equation to add a parentheses bracket and in the same place two completely, and with arrives at the wrong topic to figure out the imaginary number solution conceitedly, how I am also very curious you to achieve, hasn't your student told you?” “很简单,非要列个方程去算这种显而易见的东西,这种情况我们一般会考虑在未知数前面加个系数,你可以理解成所谓的优惠幅度,”陆舟耸了耸肩,继续说道,“当然,将两个完全不能联立的方程加个大括弧并在一起,并且自以为是地用一到错题算出虚数解,我也很好奇你是怎么做到的,你的学生没有告诉你吗?” Sits student who dines in side, although has not mixed, but many people have started titter. 坐在旁边用餐的学生虽然没有掺和进来,但不少人已经开始偷笑了。 Actually, watched the fun does not dislike matter big them to smile, reason that has suppressed is not speaking, but wants to look that the shop owner demonstrated to this pest, how under making him experience the Texas red neck to solve the equation. 其实,看热闹不嫌事大的他们早就想笑了,之所以一直憋着不吭声,只是想看店主给这讨厌鬼演示一下,让他见识下德州红脖子是怎么解方程的。 In the math, the imaginary number is the shape such as a + b * i number, A and B are the real numbers, and b ≠ 0 , i =-1. And A is the real part, B is the imaginary component. Does not dare to speak 100% China high-school student metropolises, but 99% high schools will definitely teach. 在数学中,虚数就是形如a+b*i的数,其中a、b是实数,且b≠0,i=-1。其中a是实部,b是虚部。不敢说话100%的华国高中生都会,但99%的高中肯定会教。 The logical expression is, the square is in the negative number or the root number is the number of negative number, is the imaginary number. 说人话就是,平方是负数的或者根号内是负数的数,才是虚数。 Actually so long as conscientiously completed the nine-year compulsory education, this truly is far from any abstruse thing, although will not have nothing disgraced and that's the end. 其实只要认真完成了九年义务教育,这确实谈不上什么深奥的东西,虽然不会也没什么丢人的就是了。 He said right, what is that...... the preferential proportion, do I sell my thing also to need you to manage?” The Texas men do not beckon with the hand patiently, put down the sleeve that to rub had, the index finger knocked the table, does not want to buy hurries to yield the way, you kept off the following guest.” “他说的没错,就是那个什么……优惠比例,我卖我自己的东西还需要你管吗?”德州佬不耐烦地摆了摆手,放下了原本撸起的袖子,食指敲了敲桌子,“不想买就赶紧让道,你挡到后面的客人了。” In the air filled with the merry aura. 空气中充满了快活的气息。 Enock's complexion becomes flushed, starting to say word that some are difficult to understand: „Can't the first power regulation, why, figure out the imaginary number? How you know, in the abelian group, homomorphism and conjugate classes, does not have such imaginary number......” 伊诺克的脸色涨红,开始说些难懂的词:“一次方程,凭什么,就算不出虚数?你怎么知道,在阿贝尔群、同态和共轭类中,就不存在这样的虚数……” Hears here, Lu Zhou holds the volume. 听到这里,陆舟不禁扶额。 Although he thinks very much tsukomi he does know these proper nouns the true meanings, but trough obviously not here. 虽然他很想吐槽他到底知不知道这些专有名词的真正含义,但槽点显然不在这里。 The true trough point is...... 真正的槽点是…… This also with asking, because the first power regulation does not use the rooting number!” “这还用问吗,因为一次方程不用开根号啊!” ...... …… Regarding Lu Zhou, what in hamburger outlet is only a small interlude. 对于陆舟而言,发生在汉堡店里的只是一段小插曲而已。 Although very curious that black person brothers are the maths that and who studies, but did to his black face thorough bulge to become the red finally, rushed out through the door in laughter of one group of people, therefore this issue was also unknown. 虽然很好奇那位黑人兄弟到底是和谁学的数学,但奈何最后他的黑脸彻底胀成了红色,在一群人的哄笑声中夺门而出,所以这个问题也就不得而知了。 Placed this matter one side, after Lu Zhou solved the lunch, arrived at opposite of Palmer Square Princeton Hotel calmly. 将这件事情放在了一边,陆舟解决了午餐后,从容地来到了帕尔默广场对面的普林斯顿酒店。 Raalte Station in the entrance, was invited the honored guest who comes to greet with a smile to each, but when sees Lu Zhou, actually obviously gawked, but quick exchanged a smiling face. 拉尔特站在门口,对每一位受邀前来的嘉宾笑脸相迎,但在看到陆舟的时候,却明显愣了下,不过很快还是换上了一副笑脸。 But that smiling face, meaning of many somewhat satire in inside. 只不过那笑容,多少有些讽刺的意味在里面。 Welcome, the China mathematician from Princeton, I have not thought that you will really come to here.” “欢迎,来自普林斯顿的华国数学家,我没想到你真会来这里。” Lu Zhou looks at the lecture hall that the eye was almost filled with, smiles: My this does not calculate probably is unsolicited.” 陆舟看了眼几乎坐满的报告厅,笑了笑说:“我这大概不算不请自来吧。” „Can you also smile unexpectedly?” Raalte corners of the mouth brought back, lowered the sound, „after hope and other hour, you can also and present are equally self-confident.” “你竟然还笑得出来?”拉尔特嘴角勾起,压低了声音,“希望等一小时之后,你还能和现在一样自信。” Lu Zhou smiles, suddenly says: „Can I ask a question?” 陆舟笑了笑,忽然开口说道:“我可以问个问题吗?” Raalte: What issue?” 拉尔特:“什么问题?” Lu Zhou face earnest asking: Who is gives you to offer the stupid idea?” 陆舟一脸认真的问道:“到底是谁给你出馊主意?” Raalte's expression stagnates, but the obvious change, as before has not been the smiling face of that professionalism: What stupid idea? What idea? Sorry, I did not understand you to say anything very much.” 拉尔特的表情一滞,不过并没有明显的变化,依旧是那副职业化的笑容:“什么馊主意?什么主意?抱歉,我不是很懂你在说什么。” Lu Zhou smiles, said in a soft voice: All right, forgot that when I had not asked.” 陆舟笑了笑,轻声说道:“没事,忘掉吧,当我没问。” He had not certainly counted on, can ask anything by a few words. 他当然没有指望,凭借一句话能问出些什么。 Not the excellent subconscious is not steerable, when particularly the extraneous factor guides is so. 不过人的潜意识是不可控制的,尤其是当外界因素加以引导的时候更是如此。 Raalte has not wasted the time with him, or one second does not plan to waste on him, turns around to call these black person rights protection organization legal people and representatives, as well as for the donor who these organizations provide the fund, with benefit related congressman. 拉尔特没有和他浪费时间,或者说一秒钟也不打算在他身上浪费,转身去招呼那些黑人权益保护组织法人和代表,以及为这些组织提供资金的金主,和利益相关的议员了。 Sits the person in conference site, most people possibly math, even does not plan to listen to scholar's defense to a oneself research results. Twisted to report that like initially «New Yorker» Qiu Chengtong achievement, and was joined to a picture that smeared the Asian, what even if stood to be clear was Hamilton, how can also? 坐在会场里的人,大多数人可能并不懂数学,甚至根本不打算听一位学者对自己研究成果的辩护。就像当初《纽约客》歪曲报道邱成桐的成果,并配上了一张丑化亚洲人的照片,哪怕站出来澄清的是汉密尔顿,又能如何呢? This is people / essence principle( also said the place that democracy) is in flood, can look from many places. 这是一个民/粹主义(也称平民主义)泛滥的地方,从很多地方都能看出来。 Reason that sits here, purely is because Nigerian brothers received the US academic circle unfair treatment, purely is because the political correctness needs them to turn down the important conference, exhibits to sit the stance here. 之所以坐在这里,纯粹是因为一位尼日利亚兄弟受到了美国学术界的不公正待遇,纯粹是因为政治正确需要他们推掉重要的会议,摆出坐在这里的姿态。 However...... 不过…… What relations this and does Lu Zhou have? 这和陆舟有什么关系呢? The exchange of learning quality, is unable to be completed with the knowledge of elementary mathematics, discussed again many with Professor Enock, regarding sitting the person under stage, was whistle jig to a milestone. 学术性质的交流,用初等数学的知识是无法完成的,和伊诺克教授讨论再多,对于坐在台下的人来说,也是对牛弹琴。 But the things of some popular science natures, even is the common thing, even the easy to understand language can still achieve. 但一些科普性质的东西,甚至是常识性的东西,即便是通俗易懂的语言也能做到的。 Lu Zhou put in order the chest front tie gently. 陆舟轻轻整了整胸前的领带。 To him, this is really not the difficult matter. 对他来说,这还真不是什么难事儿。
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