14-440-127 Lecture 12 Presentation

14-440-127 Lecture 12 Presentation - 14:440:127...

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14:440:127 Introduction to Computers for Engineers Lecture 12 Lecturer: Blase E. Ur Recitation Instructor: Tianming Li Recitation Instructor: Ke Xu Recitation Instructor: Brian Viezbicke Recitation Instructor: Mingliang Wang PLEASE TAKE LECTURE 12 NOTES AS YOU ENTER THE ROOM
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Rutgers University SOE 14:440:127 Lecture 12 Reminders / Updates Exam 2 grading- getting close to done. We’re aiming for Thursday, but count on getting the scores on Friday. I will be here this weekend if people want to talk things over. Final grade will be curved if you did your problem sets. Emails Project 2 is out.- Due Dec 7 th Let me know if you have questions. Not too hard (analysis/animation). Project 3 will be out soon- Due December 13th Engineering Options, Fun Options. You’ll use GUIs for these. NEXT WEEK- No lecture, no recitation . Monday and Tuesday recitations meet the following week. Topics this week are mostly not in the book again. Week after next- Review for the final. Then you have your final. Then one final lecture on general computing skills (Unix/Linux, How to use what you know from Matlab in other languages, Free software, Databases, Stories from Industry)
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Rutgers University SOE 14:440:127 Lecture 12 Numerical Calculus- Derivatives • Estimates • Derivative is dy/dx … which is Δ y ./ Δ x • diff(y) ./ diff(x) • Example: x = 0:0.1:10; y = x.^2; slope = diff(y) ./ diff(x)
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Rutgers University SOE 14:440:127 Lecture 12 Numerical Calculus- Integrals • Trapezoidal Rule x = 0:0.1:10; y = x.^2; Z = trapz(x,y); disp(Z) Notice the Difference • Quadrature (better) Z = quad(‘x.^2’, 0, 10) disp(Z)
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Rutgers University SOE 14:440:127 Lecture 12 Symbolic Math >> sym('2') * sym('x^2') ans = 2*x^2 >> syms x y >> 2*x^3 ans = 2*x^3
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Rutgers University SOE 14:440:127 Lecture 12 Symbolic Math Functions
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14-440-127 Lecture 12 Presentation - 14:440:127...

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