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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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SystemIdentificationOnBook
经典的系统辨识算法,主要是在《过程辨识》方崇智, 萧德云著书。(System identification algorithm, mainly in the process identification of Fang Chongzhi, Xiao Deyun wrote the book.)
- 2015-06-17 23:07:30下载
- 积分:1
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MATLAB(book)
对Matlab的使用及其在相关方面的应用。(The use of Matlab and its related applications.)
- 2007-07-19 08:43:28下载
- 积分:1
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DIP
使用matlab在数字图像处理中画直方图,放大,缩小图像等的小程序(using matlab to draw histogram,zoom in or zoom out in DIP)
- 2009-05-29 10:47:04下载
- 积分:1
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toumo
对国际上通用的标准Shepp-logan人头模体进行投影和反投影、滤波反投影、ART和SART重建。(include anisotropic filter, bilateral filter and functions for tomographic reconstruction using BP, FBP, ART, SART, LSQR algorithm)
- 2020-11-19 21:29:37下载
- 积分:1
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cheaishibie
说明: 一种快速的车牌定位方法,利用顶帽变换和文字的纹理特征(A fast license plate location method, using top hat transformation and texture characteristics of text)
- 2010-04-20 16:18:09下载
- 积分:1
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adsidelobe0
此程序为极化对消方面的仿真应用,在电磁矢量传感器方面的仿真应用。(This procedure for the simulation of the polarization cancellation in the simulation of the electromagnetic vector sensor.)
- 2012-06-30 20:41:58下载
- 积分:1
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MATLAB
the program content qum psk modulation and demodulation techniques in matlab.
- 2013-08-21 13:51:12下载
- 积分:1
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Lambert
交会对接采用的Lambert算法,为《轨道动力学与控制》大作业源码,可直接运行(Lambert algorithm)
- 2020-12-04 16:29:25下载
- 积分:1
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wimax_v1
802.16源代码
看有网友征求802.16源码的帖子,拿出来分享一下。(802.16 source code has friends to seek the look of post-source 802.16 up to share.)
- 2007-07-24 22:19:08下载
- 积分:1