Why do People Program? Each person can have his own reason for programming but I can tell you that programming is one of the best ways to gain a deep understanding of computers and computer technology. Learning to program makes you understand why computers and computer programs work the way they do. It also puts some sense into you about how hard it is to create software. 1.2. What is C++ & OOP? C++ is an extended version C. C was developed at Bell Labs. in 1978.
標簽: programming can Program People
上傳時間: 2013-12-07
上傳用戶:qazxsw
免疫算法和模擬退火算法求解TSP問題的研究。本文提出了一種新的免疫模擬退火法,并將其應用于求解典型的NP問題—TSP問題
上傳時間: 2014-01-18
上傳用戶:nanxia
免疫算法和模擬退火算法求解TSP問題的研究 本文提出了一種新的免疫模擬退火算法,并將其應用于求解典型的NP問題—TSP問題
上傳時間: 2013-12-14
上傳用戶:watch100
It’s your first day in the lab.Undoubtedly you are experiencing a range of emotions: excitement, curiosity, anxiety. You will be working in this lab and with a group of people, as well as with your supervisor, for several years to come. This is the first day of a long commitment and, for some, a hard road ahead. Which is why it’s important to get off on the right foot.
標簽: experiencing Undoubtedly excitement emotions
上傳時間: 2017-09-14
上傳用戶:zhangyi99104144
Computes all eigenvalues and eigenvectors of a real symmetric matrix a, ! which is of size n by n, stored in a physical np by np array. ! On output, elements of a above the diagonal are destroyed. ! d returns the eigenvalues of a in its first n elements. ! v is a matrix with the same logical and physical dimensions as a, ! whose columns contain, on output, the normalized eigenvectors of a. ! nrot returns the number of Jacobi rotations that were required. ! Please notice that the eigenvalues are not ordered on output. ! If the sorting is desired, the addintioal routine "eigsrt" ! can be invoked to reorder the output of jacobi.
上傳時間: 2016-06-04
上傳用戶:1512313
利用simulink搭建異步電機模型; 掌握異步電機各參數對各輸出的影響。 1.搭建異步電機模型,電機參數:定子電阻Rs=1歐姆,轉子電阻Rr=1歐姆,定子漏感系數=1mH,轉子漏感系數=1mH,互感系數=20mH,轉動慣量Jm=0.25kgm^2,極對數Np=4。 2.用幅值為380V,頻率為50Hz,相位互差120度的三相勵磁交流電壓供電。先空載啟動觀察各輸出變化,然后在空載穩定后突加200Nm負載觀察各輸出變化。 3.分別改變Rs,Rr,Jm值,觀察輸出數據變化。
上傳時間: 2018-04-02
上傳用戶:Jcong233
遺傳算法已經成為組合優化問題的近似最優解的一把鑰匙。它是一種模擬生物進化過程的計算模型,作為一種新的全局優化搜索算法,它以其簡單、魯棒性強、適應并行處理以及應用范圍廣等特點,奠定了作為21世紀關鍵智能計算的地位。 背包問題是一個典型的組合優化問題,在計算理論中屬于NP-完全問題, 其計算復雜度為,傳統上采用動態規劃來求解。設w是經營活動 i 所需要的資源消耗,M是所能提供的資源總量,p是人們經營活動i得到的利潤或收益,則背包問題就是在資源有限的條件下, 追求總的最大收益的資源有效分配問題。
上傳時間: 2018-04-26
上傳用戶:jiazhe110125
本書是一部設計與分析領域的經典著作,著重介紹了計算機算法設計領域的基本原則和根本原理。書中深入分析了一些計算機模型上的算法,介紹了一些和設計有效算法有關的數據結構和編程技術,為讀者提供了有關遞歸方法、分治方法和動態規劃方面的詳細實例和實際應用,并致力于更有效算法的設計和開發。同時,對NP完全等問題能否有效求解進行了分析,并探索了應用啟發式算法解決問題的途徑。另外,本書還提供了大量富有指導意義的習題。
標簽: 算法分析
上傳時間: 2018-04-28
上傳用戶:jakewyh
《笨辦法學 Python》(Learn Python The Hard Way,簡稱 LPTHW)是 Zed Shaw 編寫的一本 Python 入門書籍。適合對計算機了解不多,沒有學過編程,但對編程感興趣的朋友學習使用。這本書以 習題的方式引導讀者一步一步學習編程,從簡單的打印一直講到完整項目的實現。也許讀完這本書并不 意味著你已經學會了編程,但至少你會對編程語言以及編程這個行業有一個初步的了解。
標簽: Python
上傳時間: 2019-10-28
上傳用戶:shangqinghua
The concept of “smart city” is often used implying that the reader has a clear and common notion of what it means. However, in the current literature it is very hard to find a precise definition. What is even more interesting, it is not so easy to find a precise definition of what a city is.
標簽: Facilitating Developing Designing Cities Smart
上傳時間: 2020-05-25
上傳用戶:shancjb