Plot[ 函数 , {变量范围} ],这里的函数可以是 Mathematic 自身内嵌的函数,也可以是自定义函数
I was long curious about how does λ calculus become the foundation of formalizaing programming languages. It’s strange that I haven’t look up the answer until today: It’s invented so early by Alonzo Church (whom I will write another post for) as an alternative mathematic foundation in 1930s and its relation with programming language was re-discoverred in 1960s.
This is my day 4 homework of BIC by 生信星球.
YAPTCHA Time Limit: 10000/5000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 2041 Accepted Submission(s): 1047
I am using CMD Markdown both at work and for study.You can use it to take notes, store the output of your model, write down fantastics ideas anyttime.
按ctrl + u 查看源代码 可以看到有一个设置为白色的下一关的按钮,点击即可过关。
Problem Description Nim is a two-player mathematic game of strategy in which players take turns removing objects from distinct heaps. On each turn, a player must remove at least one object, and may remove any number of objects provided they all come f
这个是之前玩过的一个网页闯关游戏,只是玩过,但是卡在一个关卡没有通过,希望寻求一下帮助,智动大闯关。
Describtion In mathematics, the greatest common divisor (gcd) of two or more integers, when at least one of them is not zero, is the largest positive integer that divides the numbers without a remainder. For example, the GCD of 8 and 12 is 4.—Wikipedia
http://en.wikipedia.org/wiki/Monte_Carlo_method
给定若干区间的GCD,试还原原数组。 贪心乘最小的数使得区间内每个数是ans[i]的倍数(LCM),最后再检查一遍。
这十道题的代码在我的github上,如果大家想看一下每道题的输出结果,可以点击以下链接下载:
很多新码农在工作中总会被老鸟批评程序命名的陋习,我也被批评过很多次。痛定思过,我决定要研究应该怎么命名,为什么要给函数一个好的命名很难,应该怎么样给函数命名。
Now it's time to take the math up a level! Principal component analysis (PCA) is the first somewhat advanced technique discussed in this book. While everything else thus far has been simple statistics, PCA will combine statistics and linear algebra to produce a preprocessing step that can help to reduce dimensionality, which can be the enemy of a simple model.
维基百科上对闭包的解释就很经典: 在计算机科学中,闭包(Closure)是词法闭包(Lexical Closure)的简称,是引用了自由变量的函数。这个被引用的自由变量将和这个函数一同存在,即使已经离开了创造它的环境也不例外。所以,有另一种说法认为闭包是由函数和与其相关的引用环境组合而成的实体。 Peter J. Landin 在1964年将术语闭包定义为一种包含环境成分和控制成分的实体。 百度百科: 闭包是可以包含自由(未绑定到特定对象)变量的代码块;这些变量不是在这个代码块内或者任何全局上下文中定义的,而是在定义代码块的环境中定义(局部变量)。“闭包” 一词来源于以下两者的结合:要执行的代码块(由于自由变量被包含在代码块中,这些自由变量以及它们引用的对象没有被释放)和为自由变量提供绑定的计算环境(作用域)。
为使读者快速掌握awk解题的模式及特性, 本手册系由一些较具代表性的范例及其题解所构成; 各范例由浅入深, 彼此间相互连贯,范例中并对所使用的awk语法及指令辅以必要的说明. 有关awk的指令, 函数,...等条列式的说明则收录于附录中, 以利读者往后撰写程序时查阅. 如此编排, 可让读者在短时间内顺畅地学会使用awk来解决问题. 建议读者循着范例上机实习, 以加深学习效果.
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