c語(yǔ)言版的多項(xiàng)式曲線擬合。 用最小二乘法進(jìn)行曲線擬合. 用p-1 次多項(xiàng)式進(jìn)行擬合,p<= 10 x,y 的第0個(gè)域x[0],y[0],沒有用,有效數(shù)據(jù)從x[1],y[1] 開始 nNodeNum,有效數(shù)據(jù)節(jié)點(diǎn)的個(gè)數(shù)。 b,為輸出的多項(xiàng)式系數(shù),b[i] 為b[i-1]次項(xiàng)。b[0],沒有用。 b,有10個(gè)元素ok。
標(biāo)簽: 多項(xiàng)式 曲線擬合 c語(yǔ)言 最小二乘法
上傳時(shí)間: 2014-01-12
上傳用戶:變形金剛
. 緩存處理技術(shù),定時(shí)更新系統(tǒng)數(shù)據(jù),提升系統(tǒng)性能 B. 系統(tǒng)模板管理功能,方便制作個(gè)性化的系統(tǒng)模板,可后臺(tái)管理 C. 首頁(yè)商品和店鋪的自助推薦功能,用戶可使用虛擬幣采用競(jìng)價(jià)方式自助推薦自己的商品和店鋪 D. 店鋪的皮膚轉(zhuǎn)換,重新設(shè)計(jì)店鋪結(jié)構(gòu) E. 商品,店鋪,求購(gòu)信息的搜索,采用積木式查詢,減少等待時(shí)間 F. 支付寶按鈕支付功能(用于系統(tǒng)用戶與用戶間的付款交易) G. 重新制作廣告系統(tǒng),靜態(tài)JS讀取速度更快 H. 最高價(jià)競(jìng)拍模式中加入一口價(jià)購(gòu)買的功能 I. 后臺(tái)管理員的分權(quán)限管理(管理,添加,查看) j. 后臺(tái)商品首頁(yè)推薦,店鋪首頁(yè)推薦功能 K. 商品可實(shí)現(xiàn)四級(jí)分類處理 L. 增加店鋪分類功能 M. 外接用戶數(shù)據(jù)庫(kù)(AC和SQL兩種),系統(tǒng)郵件發(fā)送,圖片上傳,緩存更新,MD5加密等后臺(tái)管理功能 N. 實(shí)現(xiàn)了商品登陸收費(fèi)的功能
上傳時(shí)間: 2015-06-24
上傳用戶:我干你啊
本書第二部分講述的是在Wi n 3 2平臺(tái)上的Wi n s o c k編程。對(duì)于眾多的基層網(wǎng)絡(luò)協(xié)議, Wi n s o c k是訪問(wèn)它們的首選接口。而且在每個(gè)Wi n 3 2平臺(tái)上,Wi n s o c k都以不同的形式存在著。 Wi n s o c k是網(wǎng)絡(luò)編程接口,而不是協(xié)議。它從U n i x平臺(tái)的B e r k e l e y(B S D)套接字方案借鑒了 許多東西,后者能訪問(wèn)多種網(wǎng)絡(luò)協(xié)議。在Wi n 3 2環(huán)境中,Wi n s o c k接口最終成為一個(gè)真正的 “與協(xié)議無(wú)關(guān)”接口,尤其是在Winsock 2發(fā)布之后。
標(biāo)簽: 分 編程 網(wǎng)絡(luò)協(xié)議
上傳時(shí)間: 2015-07-08
上傳用戶:thinode
假近鄰法(False Nearest Neighbor, FNN)計(jì)算嵌入維的Matlab程序 文件夾說(shuō)明: Main_FNN.m - 程序主函數(shù),直接運(yùn)行此文件即可 LorenzData.dll - 產(chǎn)生Lorenz時(shí)間序列 PhaSpaRecon.m - 相空間重構(gòu) fnn_luzhenbo.dll - 假近鄰計(jì)算主函數(shù) SearchNN.dll - 近鄰點(diǎn)搜索 buffer_SearchNN_1.dll - 近鄰點(diǎn)搜索緩存1 buffer_SearchNN_2.dll - 近鄰點(diǎn)搜索緩存2 參考文獻(xiàn): M.B.Kennel, R.Brown, H.D.I.Abarbanel. Determining embedding dimension for phase-space reconstruction using a geometrical construction[J]. Phys. Rev. A 1992,45:3403.
標(biāo)簽: Main_FNN Neighbor Nearest Matlab
上傳時(shí)間: 2013-12-10
上傳用戶:songnanhua
1問(wèn)題描述: 設(shè)計(jì)一個(gè)實(shí)現(xiàn)稀疏多項(xiàng)式乘法的程序 2需求分析: 編程實(shí)現(xiàn)兩個(gè)一元多項(xiàng)式相乘,要求: 2.1輸入并建立多項(xiàng)式; 2.2輸出多項(xiàng)式,輸出形式為整數(shù)序列:n,c1,e1,c2,e2``````,cn.,en,其中n是多項(xiàng)式的系數(shù),ci和ei分別是第i項(xiàng)的系數(shù)和指數(shù),序列按指數(shù)降序排列。 2.3多項(xiàng)式a和b相乘,建立結(jié)果多項(xiàng)式a*b
標(biāo)簽: 多項(xiàng)式 稀疏 乘法 分
上傳時(shí)間: 2015-08-15
上傳用戶:zhangliming420
This section contains a brief introduction to the C language. It is intended as a tutorial on the language, and aims at getting a reader new to C started as quickly as possible. It is certainly not intended as a substitute for any of the numerous textbooks on C. 2. write a recursive function FIB (n) to find out the nth element in theFibanocci sequence number which is 1,1,2,3,5,8,13,21,34,55,…3. write the prefix and postfix form of the following infix expressiona + b – c / d + e * f – g * h / i ^ j4. write a function to count the number of nodes in a binary tr
標(biāo)簽: introduction the contains intended
上傳時(shí)間: 2013-12-23
上傳用戶:liansi
by Randal L. Schwartz and Tom Phoenix ISBN 0-596-00132-0 Third Edition, published July 2001. (See the catalog page for this book.) the text of Learning Perl, 3rd Edition. Table of Contents Copyright Page Preface Chapter 1: Introduction Chapter 2: Scalar Data Chapter 3: Lists and Arrays Chapter 4: Subroutines Chapter 5: Hashes Chapter 6: I/O Basics Chapter 7: Concepts of Regular Expressions Chapter 8: More About Regular Expressions Chapter 9: Using Regular Expressions Chapter 10: More Control Structures Chapter 11: Filehandles and File Tests Chapter 12: Directory Operations Chapter 13: Manipulating Files and Directories Chapter 14: Process Management Chapter 15: Strings and Sorting Chapter 16: Simple Databases Chapter 17: Some Advanced Perl Techniques Appendix A: Exercise Answers Appendix B: Beyond the Llama Index Colophon
標(biāo)簽: L. published Schwartz Edition
上傳時(shí)間: 2014-11-29
上傳用戶:kr770906
by Randal L. Schwartz and Tom Phoenix ISBN 0-596-00132-0 Third Edition, published July 2001. (See the catalog page for this book.) Learning Perl, 3rd Edition. Table of Contents Copyright Page Preface Chapter 1: Introduction Chapter 2: Scalar Data Chapter 3: Lists and Arrays Chapter 4: Subroutines Chapter 5: Hashes Chapter 6: I/O Basics Chapter 7: Concepts of Regular Expressions Chapter 8: More About Regular Expressions Chapter 9: Using Regular Expressions Chapter 10: More Control Structures Chapter 11: Filehandles and File Tests Chapter 12: Directory Operations Chapter 13: Manipulating Files and Directories Chapter 14: Process Management Chapter 15: Strings and Sorting Chapter 16: Simple Databases Chapter 17: Some Advanced Perl Techniques Appendix A: Exercise Answers Appendix B: Beyond the Llama Index Colophon
標(biāo)簽: L. published Schwartz Edition
上傳時(shí)間: 2015-09-03
上傳用戶:lifangyuan12
BNB20 Finds the constrained minimum of a function of several possibly integer variables. % Usage: [errmsg,Z,X,t,c,fail] = % BNB20(fun,x0,xstatus,xlb,xub,A,B,Aeq,Beq,nonlcon,settings,options,P1,P2,...) % % BNB solves problems of the form: % Minimize F(x) subject to: xlb <= x0 <=xub % A*x <= B Aeq*x=Beq % C(x)<=0 Ceq(x)=0 % x(i) is continuous for xstatus(i)=0 % x(i) integer for xstatus(i)= 1 % x(i) fixed for xstatus(i)=2 %
標(biāo)簽: constrained variables function possibly
上傳時(shí)間: 2014-01-13
上傳用戶:youth25
假定已經(jīng)有許多應(yīng)用采用了程序1 - 1 5中所定義的C u r r e n c y類,現(xiàn)在我們想要對(duì)C u r r e n c y類 的描述進(jìn)行修改,使其應(yīng)用頻率最高的兩個(gè)函數(shù)A d d和I n c r e m e n t可以運(yùn)行得更快,從而提高應(yīng) 用程序的執(zhí)行速度。由于用戶僅能通過(guò)p u b l i c部分所提供的接口與C u r r e n c y類進(jìn)行交互,
上傳時(shí)間: 2015-10-11
上傳用戶:BIBI
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