Last Modified : Tue, 16 Feb 21
ECE298-ComplexLinearAlg-F20
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- Website: Class URL, Allen Blurb
- Time & place: Mask2Mask: MWF 1-1:50; 3017 ECEB, Online: Echo 360 + Zoom: ID: 965 0165 0571, PW: 146870;was
- Professor: Jont B. Allen (jontalle@illinois.edu), TA: Allen
- Syllabus: pdf;
- Office Hours: MWF 11-12AM Zoom: ID: 965 0165 0571, PW: 146870;
- Text: pdf;
- Exams: Exam I; About the final; Grades: All test material submitted to gradescope; 2016, 2017, 2019
- Mathematical notation by topic, alpha-order, use of Functions and their History, Mathematical vignettes.
- How to edit pdf files, such as homework or exams: xournalpp (PC-based pdf-editing) OR xodo.com: Web-based pdf-editing AND an incomplete Review of 8 pdf editors
- Tools: Octave, Latex, Matlab, Working with Octave/Matlab: 3.1.4 (p. 86) zviz.m
- This week's schedule
ECE 298 ComplexLinearAlg-F20 Schedule (Fall 2020)
| Week | M | W | F |
|---|---|---|---|
| 43 | L1: 1 (Read p. 1-17) Intro + history; 3.1 Read p.69-73 (Starts at 7 min: 298-Lec1-360,, ECE493 Lec1-zoom, Aug 24,2020-zoom) | L2: 3.1,.1,.2, (p. 73-80) Roots of polynomials+Monics; Newton's method. (Starts @ 3 min: 298 Lec2-360, 298-zoom) | L3: 3.1.3,.4, (p.84-8) More on Monic roots; @23 mins: Companion matrix; @39 mins: Fibonocci Matrix + solution (Starts @ 2 min: 298Lec3-360, 298-zoom) |
| 44 | L4: 3.2,.1,.2, B1, B3 Eigen-analysis, (p. 80-4, 88-93) (Lec4-360, -zoom) | L5: 3.2.3 Eigen-analysis: Solution of Pell's and Fibinocci's Eqs., (p. 57-61, 65-7) (@ 2min: Lec5-360) | L6: 3.9,.1 \({\cal FT}\) of signals, p. 152-6) (ECE-298: Lec6-360, ECE-493: L11-360ms) |
| L | D | Date | Lecture and Assignment |
| Part I: Introduction to 2x2 matricies (5 Lectures) | |||
| 1 | M | 10/19 | Lecture: Introduction & Overview: Homework 1 (NS-1): Problems: pdf, Due on Lec 4; NS1-sol.pdf (Fall 2020: NS-3 to replace NS-1) |
| 2 | W | 10/21 | Lecture: Roots of polynomials; Examples; Allm.zip |
| 3 | F | 10/23 | Lecture: Companion Matrix; Pell's equation: \(m^2-Nn^2=1\) with \(m,n,N\in{\mathbb N}\), (p. 58, 65-66, 308-310) Fibonacci Series \(f_{n+1} = f_n + f_{n-1}\), with \(n,f_n \in{\mathbb N}\), (p. 60-61, 66-67) |
| 4 | M | 10/26 | Lecture: Eigen-analysis; Examples + analytic solution (Appendix B.3, p. 310) NS-1 Due Homework 2 AE-1): Problems: ... pdf, Due on Lec |
| 5 | W | 10/28 | Lecture: Detailed eigen-analysis example for eigenvalues and eigenvectors (Appendix B) |
| 6 | F | 10/30 | Lecture: Fourier transforms for signals vs. Laplace transforms for systems Fourier Transform (wikipedia); Notes on the Fourier series and transform from ECE 310 pdf including tables of transforms and derivations of transform properties; Classes of Fourier transforms pdf due to various scalar products. Read: Class-notes |
| Week | M | W | F |
|---|---|---|---|
| 45 | L7: 3.2,.3,.4, Eigen-analysis: Taylor series (\(\S3.2.3\), p. 93-8) & Analytic Functions (p. 98-100) (L7-360) | L8: 3.2.5,.3.10, Impedance (p. 100-1) & \(\cal LT \) (L8-360) | L9: 3.2.6 (p. 101-3) Complex analytic functions, e.g.: \(Z(s) \leftrightarrow z(t)\); FTC, FTCC (\(\S\) 4.1, 4.2), (L9-360) |
| L | D | Date | Lecture and Assignment |
| Part II: Fourier and Laplace Transforms (3 Lectures) | |||
| 7 | M | 11/2 | Lecture: Eigen-analysis; Taylor series (\(\S3.2.3\)) & Analytic functions (\(\S3.2.4\)); History: Beginnings of modern mathematics: Euler and Bernoulli, The Bernoulli family: natural logarithms; Euler's standard circular-function package (log, exp, sin/cos); Brune Impedance \(Z(s) = z_o{M_m(s)}/{M_n(s)}\) (ratio of two monics) and its utility in Engineering applications; Examples of eigen-analysis. Homework 3: AE-3: Problems 2x2 complex matrices; scalar products pdf, Due on Lec 10, AE3-sol.pdf |
| 8 | W | 11/4 | Lecture: The important role of the Laplace transform re impedance: \(z(t) \leftrightarrow Z(s)\); Fundamental limits of the Fourier vs. the Laplace Transform: \(\tilde{u}(t)\) vs. \(u(t)\) The matrix formulation of the polynomial and the companion matrix Complex-analytic series representations: (1 vs. 2 sided); ROC of \(1/(1-s), 1/(1-x^2), -\ln(1-s)\) 1) Series; 2) Residues; 3) pole-zeros; 4) Continued fractions; 5) Analytic properties AE-1 Due extended from Lec 7 |
| 9 | F | 11/6 | Lecture: Integration in the complex plane: FTC vs. FTCC; Analytic vs complex analytic functions and Taylor formula and Taylor Series (p. 93-98) Calculus of the complex \(s=\sigma+j\omega\) plane: \(dF(s)/ds\); \(\int F(s) ds\) (Boas, p. 8) The convergent analytic power series: Region of convergence (ROC) Homework 4: DE-1: Problems ... Series, differentiation, CR conditions: pdf, DE1-sol.pdf, Due on Lec |
| Week | M | W | F |
|---|---|---|---|
| 46 | L10: 3.2,.4,.5 Complex analytic functions, Residues, Convolution;FTCC: Lec10-360 | L11: 3.10,.1-.3 Complex Taylor series; Disc. Exam content (L11-360) | L12: Exam I (NS1, AE1, AE3) HW: AllSol.zip |
| 47 | L13: 3.11,.1,.2 Multi-valued functions; Domain coloring (L13-360) | L14: 3.5.5, 3.6,.1-.5 Riemann's extended plane (Lec14-360) | L15: Cauchy's intergral thms CT-1,2,3; DE-3, Due on L19 (Lec15-360) |
| 48 | Spring Break | ||
| 49 | L16: Transmission line problem (DE-3 Due on L19) (Lec16-360) | L17: Inv LT (t<0) (Lec17-III-360) | L18: LT (t>0) (Lec18-III-360) |
| 50 | L19: LT Properties (conv, modulation, impedance: \(Z(s)= R(s)+jX(s)\); etc) (Lec19-III-360) | L20: Last day of instruction: Review Assignments; (Lec20-III) | Thur: Reading Day: Optional review for final Student Q&A 9-11, 1-2 PM |
| L | D | Date | Lecture and Assignment |
| Part III: Complex analytic analysis (6 Lectures) | |||
| 10 | M | 11/9 | Lecture: Fundamental theorem of complex calculus; Differentiation in the complex plane: Complex Taylor series; Cauchy-Riemann (CR) conditions and differentiation wrt \(s\) Discussion of Laplace's equation and conservative fields: (1, 2) |
| 11 | W | 11/11 | Lecture: Multi-valued complex functions; Riemann sheets; Branch cuts Homework 5: DE-2 Problems: Integration, differentiation wrt \(s\); Cauchy theorems; LT; Residues; power series, RoC; LT; Problems: |
| 12 | F | 11/13 | Exam 1: 8-11 AM: Zoom or 3017-ECEB; Submit to Gradescope; Paper copy upon request DE-2 (pdf), Due on Lec 15; DE2-sol.pdf DE-1 due on Lec15 |
| 13 | M | 11/16 | Lecture: Multi-valued functions; Riemann Sheets, Branch cuts & points; Domain coloring Visualizing complex valued functions \(\S 3.11\) (p. 167) Colorized plots of rational functions Software: Matlab: Working with Octave/Matlab: 3.1.4 (p. 86): zviz.m, zviz.zip, python |
| 14 | W | 11/18 | Lecture: Riemann’s extended plane: The Riemann sphere (1851) pdf; Multi-valued functions; Branch points and cuts;Mobius Transformation: (youtube, HiRes), pdf description Mobius composition transformations, as matrices |
| 15 | F | 11/20 | Lecture: Cauchy’s Integral theorem & Formula Homework 6: DE-3: Inverse LT; Impedance; Transmission lines; Problems: ... (pdf), Due on Lec 19; DE3-sol.pdf DE-1 & DE-2 due |
| - | Nov 21-Nov 29 Spring break | ||
| 16 | M | 11/30 | Lecture: Train-mission problem (ABCD matrix method); More on the Cauchy Residue theorem; |
| 17 | W | 12/2 | Lecture: Inverse Laplace transform \(t \le 0\); Case for causality Laplace Transform, Cauchy Riemann role in the acceptance of complex functions: Convolution of the step function: \(u(t) \leftrightarrow 1/s\) vs. \(2\tilde{u}(t) \equiv 1+ \mbox{sgn}(t) \leftrightarrow 2\pi \delta(\omega) + 2/j\omega\) |
| 18 | F | 12/4 | Lecture: Inverse Laplace transform via the Residue theorem \(t > 0\) |
| 19 | M | 12/7 | Lecture: Properties of the Laplace Transform: Modulation, convolution; impedance/admittance, poles and zeros \(Z(s)=N(s)/D(s)\); Review DE-3 Due |
| 20 | W | 12/9 | Last day of instruction: Review for final |
| - | R | 12/10 | Reading Day Optional student Q&A session 9-11AM, 1-2PM |
| - | M | 12/14 | Time and place 7-11:59 AM, Monday, Dec 14, via zoom and live on paper 3017 ECEB; Offical UIUC exam schedule: If class is scheduled for 1:00PM on Monday then the official exam time is at 7:00-10:00 PM, Thursday Dec. 17 |
| - | 12/23 | Letter grade statistics |
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