scientific computing科學計算

1、Scientific Computing科學計算,Roger Jang (張智星)CSIE Dept, National Taiwan University,Course Participation via Slido,URL: http://slido.comEvent code: computing,Background,“Linear Algebra” and “Numerical Methods” tends to be

2、very dry…Numerous theoremsRank, null space… Linear transformationEigenvaluesGauss eliminationQR decomposition…Where is the application?,“Scientific Computing” come to the rescue!A course to bridge the gap betwee

3、n LA/NM and applicationsWith emphases onProblem solvingHands-on codingData & approach visualizationReal-world applications,Objectives (1/2),MethodologiesLeast-squares estimateApproximationInterpolationPDF mo

4、delingMachine learningClusteringClassificationDynamic programmingNumerical optimization…,ProgrammingMatrix computationProgrammingParadigmsDebuggingDocumentationAnimation & visualizationBasics of multimed

5、ia processing, including texts, audio, images…,Everyone is doing this,Including Obama!,For course evaluation…,Objectives (2/2),ApplicationsFinancial computingLoan and mortgageInsuranceLeast-squares estimateData fi

6、ttingData clusteringImage data compressionObject identificationClassification & retrievalTexts, images, audio,Principal component analysisDimensionality reductionData fittingPage rankGoogle’s page rankTeam

7、rankingDynamic programmingString similarityObject trackingNumerical optimization,Prerequisites,Prerequisites for STEM (science, technology, engineering, and mathematics) studentsCalculus: strong prerequisiteYou nee

8、d to know how to do differentiationLinear algebra: strong prerequisiteYou need to know matrix operations, determinant, etc.Probability: weak prerequisiteFor non-STEM studentsPlease talk to me first before taking the

9、 course,Text and Reference Books,TextbooksMATLAB程式設計【入門篇】 by Roger JangOnline tutorial of Data Clustering and Pattern Recognition by Roger Jang,Reference booksExperiments with MATLAB by Cleve MolerNumerical computing

10、 with MATLAB by Cleve MolerMATLAB程式設計【進階篇】 by Roger Jang,Note that there is no single book thatcovers all aspects of scientific computing.,Corpus Collection,We need to collect corpus for assignmentsFace recognition ?

11、Your face photosTone recognition ? Your voice of 媽麻馬罵, etcSpeaker recognition ? Your voiceQuery by humming ? Your singingAge estimation from face ? Your face photos at different ages…,Instructor and TAs,InstructorR

12、oger Jang (張智星)Email: jang@mirlab.orgPhone0953-154-045 (10am-10pm)Skype: roger_jangOffice hourRight after the classBy appointment,TAs范哲誠、蘇俞睿、周宗鴻、陳宣伯Email: ta4sc@mirlab.orgOffice hourOne hour per week for each

13、TA (To be announced on FB),Quiz!,勿私訊！,Important Links,Course website: for schedule and homework, etc.SC on FB: for announcements & discussions, etc. (No further email notification for announcements)Course recording

14、s2017Questions/answers log systemCEIBA: for mailing list, records of scores, etc.Toolboxes written by Roger Jang,Enrollment,Priority for extra enrollmentCSIE > Other departmentsPhD > Master > Senior > J

15、unior > Sophomore > FreshmenExtra enrollment will be taken up to the classroom’s limitAuditing is also welcomeIf you really want to enroll in this class, come to the class persistently and your wish will be gran

16、ted eventually.,Grading Policy,10% for course participation2% for each in-class question/answers (both physical/virtual)2% for each FB answering2% for each questions in TA’s office hourHomework: ~25%Programming HW s

17、cored by judge system (including program competition)Language: MATLAB (You can use other languages as long as it can be invoked by MATLAB, such as Python, R, etc.)Weekly quizzes: ~25%Midterm & final: ~40%Hand-wri

18、tten & Programming,Don’t miss this part!,Quiz!,More about Course Participation,Requirement課堂發(fā)問（舉手或經(jīng)由slido）或助教時間發(fā)問必須是與課程內(nèi)容相關之技術性問題課堂回答（舉手或經(jīng)由slido）或FB回答必須針對發(fā)問，且必須正確且完整同學們必須於網(wǎng)頁自行登錄「發(fā)問」或「回答」，最後由助教審核認定More course part

19、icipation is encouraged, with max. of 10%Top-3 students will receive 乖乖一包！,More about Grading,Grade statisticsUsually we have 25% of A+ and AOnly A+ is qualified for recommendation lettersGrade computationRaw score

20、computation in double ? rounding to integers ? final letter gradesWe won’t change the final grades after sending them to the university, unless it is due to mistakes on our part,Final grades are based on scores and rank

21、ing.The instructor reserve the rights toAdjust percentage of each categories if necessaryDetermine the way to combine scores and ranking,Penalty for Delayed Homework,Overdue penalty for homework, up to a delay of 7 da

22、ys80% weighting for overdue of 0-24 hours(80%)2 weighting for overdue of 24-48 hours(80%)3 weighting for overdue of 48-72 hours…,Similar Courses,Similar coursesScientific Computing in MATLAB, Oxford U.Introduction

23、to Scientific Computing and Problem Solving, Brown U.Introduction to Scientific Computing, U. of UtahBeginning Scientific Computing (with videos), Washington Univ.Our focusComputational thinking for everyday life!,Sa