In combinatorial mathematics, a derangement is a permutation of the elements of a set, such that no element appears in its original position. There's ...
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其他好文 时间:
2017-07-02 12:18:59
阅读次数:
159
题目链接 Problem Description In mathematics, the four color theorem, or the four color map theorem, states that, given any separation of a plane into cont ...
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其他好文 时间:
2017-06-25 21:20:16
阅读次数:
197
??近期在实施算法的时候。感觉数学知识不足了,在此大补一哈 微积分 微积分公开课:麻省理工学院:单变量微积分http://ocw.mit.edu/courses/mathematics/18-01sc-single-variable-calculus-fall-2010/http://v.163.c ...
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编程语言 时间:
2017-06-09 20:25:48
阅读次数:
205
In mathematics, a stiff equation is a differential equation for which certain numerical methods for solving the equation are numerically unstable, unl ...
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其他好文 时间:
2017-06-08 20:33:30
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131
Goldbach's conjecture is one of the oldest unsolved problems in number theory and in all of mathematics. It states: Every even integer, greater than 2 ...
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数据库 时间:
2017-05-20 11:17:13
阅读次数:
256
Description The branch of mathematics called number theory is about properties of numbers. One of the areas that has captured the interest of number t ...
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其他好文 时间:
2017-05-12 09:35:19
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207
arXiv is an e-print service in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance and statistics. There' ...
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其他好文 时间:
2017-05-07 16:43:26
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239
In mathematics, Fibonacci numbers or Fibonacci series or Fibonacci sequence are the numbers of the following integer sequence: 1, 1, 2, 3, 5, 8, 13, 2 ...
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其他好文 时间:
2017-03-19 02:41:52
阅读次数:
900
Mixed Fractions Mixed Fractions Mixed Fractions You are part of a team developing software to help students learn basic mathematics. You are to write ...
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其他好文 时间:
2017-01-12 21:03:45
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251
二项式系数,也是我们常用的组合数,最直观的组合意义就是从n个元素取k个元素所有可能的情况数,因此我们自然的得到下面二项式系数的定义式。 那么我们通过具有组合意义的二项系数,给出更加一般的二项式系数的定义: 通过上文给出推广形式的二项式系数,容易推得恒等式3. 但是我们注意到,在第二个恒等式的推导中, ...
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其他好文 时间:
2016-12-02 07:54:52
阅读次数:
436