geometry_

摘要： 看书忽来兴致，用google搜索“the meaning of life”搜索页面的第一个链接是Meaning of life- Wikipedia, the free encyclopedia第二个链接是一个很有意思的网站http://users.aristotle.net/~diogenes/meaning1.htm Why do you want to know the meaning of life?Often people ask this question when they really want the answer to some other question. Let 阅读全文

摘要： Show[Table[ Plot[1/(1. + Exp[-beta*x]), {x, -10, 0.01, 10}], {beta, -5, 5, 0.05}]] 阅读全文

摘要： Why the government issure the money.Let us first talk about the function of money A human want to survive, that he must kill the time, and trade his time for living goods. And another man via.vis. So the economics development is solely depending the human activity in the society. This is why some sh 阅读全文

摘要： Lecture 0you will choose a time seriesandmake a decisionandevaluate your sucess.This exert from the economic forecast lecture by bhansonorganized super logicalwhat your say is not by no meansthink before talk be clearly and logical! 阅读全文

摘要： 《神经症与心理治疗》中南大学公开课http://video.jingpinke.com/details?uuid=841996bb-1361-1000-b978-fae62e9cd3a4&number=04神经症的共同特征：与心理因素相关个性特征突出社会功能相对完好没有相应的气质型发现自知力完整the classification of neuroses恐惧症phobia焦虑症anxiety disorder强迫症obsessive-compulsive disorder疑病症hypochondriasis神经衰弱neurasthenia癔症hysteria其他other 阅读全文

摘要： maybe this is the finest and clearness version of thebouncing box, i ever made -- althogh partial copy the super bibleshould be pay attention the following codethe view port didn't corresponding the windows real pixelthey connected by the aspect ratio = window's pixels width/ window's pi 阅读全文

摘要： First OpenGL color displayinitialize colors padstd::vector<TXColor> displaycolorlist;void initializecolorlist(){ TXColor black( 0.0, 0.0, 0.0); TXColor red(1.0, 0.0, 0.0); TXColor green(0.0, 1.0, 0.0); TXColor yellow(1.0, 1.0, 0.0); TXColor blue(0.0, 0.0, 1.0); TXColor magenta(1.0... 阅读全文

摘要： >>> john = AddrBookEntry('John Doe', '408-555-1212')Created instance for: John Doe>>> jane = AddrBookEntry('Jane Doe', '650-555-1212')Created instance for: Jane DoeClass MyData(object): pass>>> class MyData(object):... pass...>>> ma 阅读全文

摘要： 假如泰山家生产的仙草蜜中，每1000瓶中有10个瓶盖内印有“我”，10个瓶盖内印有“爱”，10个瓶盖内印有“烧”，10个瓶盖内印有“仙”，10个瓶盖内印有“草”，剩下的印有“谢谢品尝”，凑齐“我爱烧仙草”，就可获得仙草蜜一箱。如果连喝5瓶，中奖的概率是多少？连获五个“谢谢品尝”的概率是多少？计算：1/100^5=In[3]:= 1/10000000000 // NOut[3]= 1.*10^-10疑问：am i right? 阅读全文

摘要： rectangleW = 100.;rectangleH = 100.;numW = 20;numH = 20;deltarectW = rectangleW/numW;deltarectH = rectangleH/numH;linePointlist = Table[ {Point[{deltarectW*i, rectangleH - deltarectH*i}], Point[{deltarectW*(i + 1), 0}]}, {i, 1, numW}];linelist = Table[ {{deltarectW*i, rectangleH - deltarectH*... 阅读全文