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一道程序编译顺序的考题,涉及到函数调用的先后顺序及运算符号的优先级等问题。下面我展开给你讲。
C的程序编译总是从main函数开始的,这道题的重点在“fun((int)fun(a+c,b),a-c)) ”语句。
系统首先要确定最外层 fun()函数的实参,第一个参数的确定需要递归调用fun()函数(不妨称其为内层函数)。内层函数的两个参数分别为x=a+b=2+8=10、y=b=5,执行函数体x+y=10+5=15,于是得外层函数的参数x=15。其另一个参数y=a-c=2-b=-6,再次执行函数体,得最终返回值x+y=15+(-6)=9。 (Compiling together the sequence of test procedures, involving the sequence of function calls and operator symbols, such as the priority problem. Now I give you to start speaking. Procedures for C compiler always start from the main function and at这道题the focus of " fun ((int) fun (a+ c, b), ac)) " statement. System must first determine the most outer layer of fun () function of real parameters, the first parameters of recursive calls required fun () function (may be called the inner function). Inner function separately for the two parameters x = a+ b = 2+8 = 10, y = b = 5, to execute the function body x+ y = 10+5 = 15, then the outer function parameters were x = 15 . Its another parameter y = ac = 2-b =- 6, once again to execute the function body may eventually return the value of x+ y = 15+ (-6) = 9.)
- 2009-03-15 15:36:23下载
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DifferentialEquations
用matlab解决微分方程中的问题,提供一些实例和代码,希望大家支持(Using matlab to solve differential equations of the problem, provide some examples and code, I hope you will support)
- 2009-05-06 21:49:52下载
- 积分:1
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lab2xyz
convert Lab space to XYZ space
- 2013-11-27 15:28:08下载
- 积分:1
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LMS_algorithm
LMS自适应滤波器 进行预测 噪声滤除等功能(LMS adaptive filter to predict the noise filtering and other functions)
- 2009-02-06 16:04:28下载
- 积分:1
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SystemViewExample
通信系统systemview的系统仿真与设计,北航版(systemview)
- 2009-05-14 23:21:08下载
- 积分:1
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MATLAB_PROGRAM
说明: MATLAB编程(英文影印版第二版),老师给我们推荐的一本书,觉得不错,发给大家。(MATLAB programming (Degowin 2nd edition), we recommend to the teachers of a book, think it's good, to everyone.)
- 2006-03-30 12:05:59下载
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MATLAB
说明: 这是一个关于MATLAB编程的PDF文档,希望对大家学习MATLAB编程有所帮助。(This is a pdf about matlab progressing,I hope it will be useful to you!)
- 2010-03-29 20:50:48下载
- 积分:1
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pptmixer
英语译成中文(简体)
所提供的功能解决在量子信息领域的共同问题。给定一个任意多粒子的状态,是真正的多方纠缠?如果被检测为纠缠状态,功能也为它提供了一个所谓的纠缠的见证。
另外一个文档,压缩文件中包含的检测和真正的多方纠缠量化功能。为此目的,乙Jungnitsch,吨Moroder和O. Gühne,物理的思想。牧师快报。 106,190502(2011)(或http://arxiv.org/abs/1010.6049)被应用。
更确切地说,提供下列文件:
* fdecwit.m
一个函数来检测任何一个国家真正的多方层面多方纠缠。如果国家被检测为纠缠,它也提供了一个证人。
* fpptwit.m
此功能还可以检测真正的多方纠缠,并提供了证人。然而,所涉及的最小化是那么复杂。因此,虽然它检测到的国家较少,这个功能是一个可行的颗粒较多。
* entmon.m
评估纠缠单调在Phys主办。牧师快报。 106,190502(2011年)的多方状态。
* pt.m
辅助函数来计算一个Hermitian算子部分转置。(The provided functions tackle a common problem in the field of quantum information. Given an arbitrary multiparticle state, is it genuinely multipartite entangled ? If the state is detected as entangled, the functions also provide a so-called entanglement witness for it.
Besides a documentation, the zip-file contains functions for the detection and quantification of genuine multipartite entanglement. For this purposes, the ideas of B. Jungnitsch, T. Moroder and O. Gühne, Phys. Rev. Lett. 106, 190502 (2011) (or http://arxiv.org/abs/1010.6049) are applied.
More precisely, the following files are provided:
* fdecwit.m
A function to detect genuine multipartite entanglement of a multipartite state of any dimension. In case the state is detected as entangled, it also provides a witness.
* fpptwit.m
This function also detects genuine multipartite entanglement and provides a witness. However, the involved minimization is less complex. Therefore, although it detects fewer states, this f)
- 2011-05-21 13:10:03下载
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bldc_sim_2064
Contains the simulink of BLDC motor
- 2013-08-03 17:29:45下载
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MIMO-OFDM_Wireless_Com.matlab
《MIMO-OFDM Wireless Communications with MATLAB》电子书和matlab源代码(<MIMO-OFDM Wireless Communications with MATLAB> ebook & matlab source code)
- 2013-03-12 10:53:09下载
- 积分:1