第二十四章 微积分
最新网址:m.ltxsdz.com
刘斌酒量甚好,见反驳乌纵的是自己的新扎女婿,不由大感兴趣,右手拿着酒盅晃动着道:“晋州,你且说说危急风是什么?”
“是微积分,高级的几何。龙腾小说网ltxs520.com”程晋州抬起惺忪的双眼,看着周位双双“对知识充满渴求”的眼睛,道:“简单到土地测量上,没有一块地,是真的齐齐整整的,不平整的地方,如何处理,就是微积分要做的事情了。”
乌纵也喝多了酒,摇着手道:“不平整的地方,就要用到割补与补形之术,其中割点和补点的玄妙,就是说上十年,也说不完。”
“能不玄妙吗?你这是用有穷算无穷。”程晋州恍惚间好像回到了大学,自己似乎正在代替某个无良的博导给本科生上课,满脸皆是诱拐女学生的傻笑:“真正的不规则图形,不管你如何割补,终究是要估算的,只要估算就要有差池,你又怎敢打保票?现实的数学,只能精确,不能准确。”
乌纵激灵一下,酒也醒了一半,不相信的道:“你能不用割补,直接算出不规则图形?”
刘斌不甚了了的问道:“乌先生所言是何意思?”
乌纵却是不答,只是定定的看着程晋州。数学是很现实的东西,由不得半点的虚幻,后者既然能在十七边形这样的尖端问题上有所了解,那么自然不是无的放矢之徒。
何况,他还得到了刘匡四级星术士的认可。
以病秧子程的身体素质,几杯酒便可烂醉如泥,却是吐了一阵,稍清醒一些,也仅仅是让程晋州蹩着舌头,大放厥词:“测不规则图形,那是分形几何的事,和我没关系,但要是测测土地什么的,微积分我还是能随便用用的。”
他说着,用手蘸着酒,在桌布上扭曲的画了起来。
程家供奉的星术士,多少有些兴趣,一并几位身份较高的贵族,挤在了一起。
程晋州随手画了一个最简单的波形曲线,也就是任一微积分课本的第一幅图形,嘴上念叨着道:“只要把一条曲线,看做是好多个点的集合,那一个图形,不就能精确的度量出来了?你的点有多细,精确度就能有多高,直到累死你。”
没有什么想法是突然而然出现的,微积分的核心概念是“极限”,在9世纪被柯西完善,而极限则可以追溯到公元前5世纪希腊的“穷揭法”。程晋州用的公式,乌纵是绝对看不明白的,可他却能迅速的理解对方的想法。
些许米酒早就挥发的不知去了那里,乌纵也伸手去蘸酒水,顾不得袖子上蹭到的菜汤,随手画了两个简单的不规则图形,道:“如果把你的方法套在这里面,我们算算结果……”
“微积分难道还能用吃或者列举证明了不成?”程晋州用酒眼鄙视着乌纵,话虽如此,却还是将答案给了出来。
自然是毫无疑问的正确。
“我头脑不清,我的错。”乌纵嘴唇干涩了起来,连胡须卷曲起来都顾不得,认错后马上道:“这公式是如何得出的?”
“这叫推导,而且也不是一个公式。”程晋州用桌布擦着手道:“过程繁琐的很,懒得写了。”
内容的确很多,但主要还是程晋州不能全都记住。
乌纵诺诺的不好意思开口,旁边的刘斌打圆场道:“乌先生,你们打的是什么哑谜,可要给我们讲讲。”
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