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m
题目:有1、2、3、4个数字,能组成多少个互不相同且无重复数字的三位数?都是多少?
1.程序分析:可填在百位、十位、个位的数字都是1、2、3、4。组成所有的排列后再去
掉不满足条件的排列。
(Title: There are numbers 1,2,3,4, how many can be composed of distinct three-digit numbers without repetition? Is how much? 1. Program Analysis: fill in the hundred, ten, a bit of the numbers are 1,2,3,4. Composed of all the permutations and then remove the arrangement does not meet the conditions.)
- 2011-05-23 17:49:15下载
- 积分:1
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R
说明: matlab中可以用到的常见函数,用来实现小波函数的边缘检测和灰度集检测(Matlab to use the common function, used to realize the function of the wavelet edge detection and gray set detection)
- 2011-06-12 21:44:06下载
- 积分:1
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MATLAB-courseware
对于matlab入门的学习有着很大的帮助,附有很多的例题来帮助初学者理解。(Matlab entry to the study of great help with a lot of examples to help beginners understand.)
- 2013-04-20 09:37:54下载
- 积分:1
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pso
说明: 基于罚函数的粒子群算法,可求解带有非线性约束的优化问题。(Particle swarm optimization (PSO) based on penalty function can solve optimization problems with non-linear constraints.)
- 2019-06-29 18:52:15下载
- 积分:1
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Newton
牛顿插值Matlab编程实现牛顿插值Matlab编程实现(Newton Interpolation Matlab programming
)
- 2010-12-25 17:03:43下载
- 积分:1
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work
一级倒立摆源码,实现一级倒立摆精确控制
(source code of single inverted pendulum
)
- 2012-05-03 10:33:48下载
- 积分:1
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mygauss
高斯积分计算程序,用于计算高斯积分点和权系数。(Gauss numerical integral programme)
- 2015-03-10 09:10:57下载
- 积分:1
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Astar-KO
航迹规划中的AStar算法,希望对大家有用(AStar route planning algorithm in the hope that useful for everyone)
- 2009-03-31 11:20:52下载
- 积分:1
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ex9
说明: 系统辨识工具箱, 使用命令行估算线性模型(system identification toolbox)
- 2011-02-20 18:29:26下载
- 积分:1
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onejacky_2010
无限长圆柱导体散射问题求解过程(矩量法)选取的基函数为脉冲基函数,权函数选取的是 (Dirac)函数。
- 2010-05-14 10:59:29下载
- 积分:1