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phase-equivalence
C 语言,模拟流体相平衡过程,得到混合气体平衡态以后的工况参数(C language to simulate fluid phase equilibrium process, to obtain a mixed gas equilibrium after working parameters)
- 2020-09-04 16:48:06下载
- 积分:1
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boykov_kolmogorov_max_flow.cpp
Maximum Flow Graph (Boykov Kolmogorov Algorithm)
- 2013-10-09 03:12:32下载
- 积分:1
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Montecarlo_SNR
用牛顿迭代法估计正弦信号的幅度,相位,频率,选用多次montecalor算法估计参数均值,并与理论上参数估计的CRLB下限进行比较。(Newton iterative method estimates the sinusoidal signal amplitude, phase, frequency, use multiple montecalor algorithm to estimate the parameters mean, and with the theoretical limit of parameter estimation CRLB compare.)
- 2021-03-01 11:29:35下载
- 积分:1
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interpolation
cressman格点插到格点程序,从一个场插值出另一个分辨率不同的场(interpolates fields to another grid as specified )
- 2013-08-25 21:53:45下载
- 积分:1
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11087 统计逆序对
Description
设a[0…n-1]是一个包含n个数的数组,若在i<j的情况下,有a[i]>a[j],则称(i, j)为a数组的一个逆序对(inversion)。
比如 <2,3,8,6,1> 有5个逆序对。请采用类似“合并排序算法”的分治思路以O(nlogn)的效率来实现逆序对的统计。
一个n个元素序列的逆序对个数由三部分构成:
(1)它的左半部分逆序对的个数,(2)加上右半部分逆序对的个数,(3)再加上左半部分元素大于右半部分元素的数量。
其中前两部分(1)和(2)由递归来实现。要保证算法最后效率O(nlogn),第三部分(3)应该如何实现?
此题请勿采用O(n^2)的简单枚举算法来实现。
并思考如下问题:
(1)怎样的数组含有最多的逆序对?最多的又是多少个呢?
(2)插入排序的运行时间和数组中逆序对的个数有关系吗?什么关系?
输入格式
第一行:n,表示接下来要输入n个元素,n不超过10000。
第二行:n个元素序列。
输出格式
逆序对的个数。
输入样例
5
2 3 8 6 1
输出样例
5(Set a[0... N-1] is a n array containing n numbers. If there is a [i] > a [j] i n the case of I < j, then (i, j) is a n inversion pair of a array.
For example, <2,3,8,6,1> has five reverse pairs. Please use the idea of "merge sorting algorithm" to achieve the statistics of inverse pairs with O (nlogn) efficiency.
The number of inverse pairs of a sequence of n elements consists of three parts:
(1) The number of reverse pairs in the left half, (2) the number of reverse pairs in the right half, (3) the number of elements in the left half is greater than that in the right half.
The first two parts (1) and (2) are implemented by recursion. To ensure the final efficiency of the algorithm O (nlogn), how should the third part (3) be implemented?
Do not use O (n ^ 2) simple enumeration algorithm to solve this problem.)
- 2019-01-07 23:52:06下载
- 积分:1
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UDF-in-fluent
fluent关于蒸发相变的很全的C程序,有详细的注释,对于相关专业的人很重要(fluent the evaporation phase transition is full C program, detailed notes, very important for the people of the relevant professional)
- 2020-11-25 21:19:32下载
- 积分:1
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shiweidele
施威德勒球壳在ansys中的建模分析,APDL语言(Of Schwedler shell modeling in ansys, APDL language)
- 2012-10-22 14:32:47下载
- 积分:1
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standard
通过标准方法实现结构加速度的线性积分问题(Implementation structure by standard methods of linear integral of acceleration)
- 2020-11-27 14:29:30下载
- 积分:1
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Treede0
压缩存储下用“追赶法”求解三对角方程组的C语言描述(Compression and storage use the " catch up method" for solving tridiagonal equations of C language description)
- 2010-12-26 14:53:54下载
- 积分:1
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Generate_SystemMatrix
本程序在matlab中运行。
Generate_SystemMatrix是一个计算OSEM,MLEM迭代图像算法中系统矩阵的函数,其用法Generate_SystemMatrix(pixel),为所要重建图像的大小,一般为64,128,256,pixel也大运算越慢。
里面的diedai-test文件是一个简单的MLEM重建算法,其中要加载SystemMatrix矩阵就是Generate_SystemMatrix(128)的结果,注意如果要运行diedai-test,生成的系统矩阵名要保存为SystemMatrix,否则出错。
testsino是一个正弦图实例,就是MLEM算法中的投影矩阵,机算是数据。(This program is run in matlab. The Generate_SystemMatrix is a calculation of the OSEM, a function of the system matrix MLEM iterative image algorithm, its use Generate_SystemMatrix (pixel) to rebuild the image size, usually 64,128,256, pixel also large computing slower. Inside diedai-test file is a simple MLEM reconstruction algorithm, which load SystemMatrix matrix is the result of Generate_SystemMatrix (128), pay attention to if you want to to run diedai-test, the generated system matrix is saved as SystemMatrix, otherwise an error. testsino instance of a sinogram projection matrix MLEM algorithm, machine be regarded as data.)
- 2020-12-08 14:39:20下载
- 积分:1