# ECE 817: Nonlinear Systems | UW–Madison [View on UW Courses](https://uwcourses.com/courses/ECE_817) ## Dataset ### revision e243353dcb7d79b7247ced91d69443ef4c2a6349 ### repository twangodev/uwcourses ### schema version 6 ### importer version 7 ### projection id 52a78527ff09011d88cb04c7d43867d9fbfec2930bf1dd2ec359ebd2844e0b07 ### observed at 2026-09-07T15:55:43.033547+00:00 ### built at 2026-09-10T19:50:42.743001+00:00 ### courses 8951 ### current instructors 5754 ### limited false ### terms * 1272 * 1264 * 1262 * 1254 * 1252 * 1244 * 1242 * 1234 * 1232 * 1224 * 1222 * 1212 * 1204 * 1202 * 1194 * 1192 * 1184 * 1182 * 1174 * 1172 * 1164 * 1162 * 1154 * 1152 * 1144 * 1142 * 1134 * 1132 * 1124 * 1122 * 1114 * 1112 * 1104 * 1102 * 1094 * 1092 * 1084 * 1082 * 1074 * 1072 ### term 1272 ### departments | subject | count | | --------- | ----- | | AAE | 90 | | ABT | 20 | | ACCTIS | 36 | | ACTSCI | 14 | | AFAERO | 10 | | AFRICAN | 87 | | AFROAMER | 71 | | AGROECOL | 21 | | AMERIND | 53 | | ANAT\&PHY | 7 | | ANATOMY | 2 | | ANESTHES | 8 | | ANSCI | 57 | | ANTHRO | 95 | | ART | 125 | | ARTED | 10 | | ARTHIST | 121 | | ASIALANG | 129 | | ASIAN | 109 | | ASIANAM | 28 | | ASTRON | 38 | | ATMOCN | 69 | | BIOCHEM | 51 | | BIOCORE | 10 | | BIOLOGY | 14 | | BIOMDSCI | 18 | | BME | 66 | | BMI | 41 | | BMOLCHEM | 10 | | BOTANY | 69 | | BSE | 44 | | C\&ESOC | 73 | | CBE | 48 | | CHEM | 101 | | CHICLA | 52 | | CIVENGR | 133 | | CLASSICS | 47 | | CNP | 10 | | CNSRSCI | 50 | | COMARTS | 137 | | COMPBIO | 15 | | COMPLIT | 11 | | COMPSCI | 138 | | COUNPSY | 78 | | CRB | 19 | | CS\&D | 71 | | CSCS | 40 | | CURRIC | 193 | | DANCE | 93 | | DERM | 8 | | DS | 88 | | DYSCI | 35 | | ECE | 155 | | ECON | 145 | | EDPOL | 114 | | EDPSYCH | 97 | | ELPA | 70 | | EMA | 53 | | EMERMED | 17 | | ENGL | 206 | | ENTOM | 40 | | ENVIRST | 148 | | EP | 15 | | EPD | 67 | | ESL | 16 | | F\&WECOL | 60 | | FAMMED | 22 | | FINANCE | 50 | | FOLKLORE | 40 | | FOODSCI | 43 | | FRENCH | 63 | | GEN\&WS | 145 | | GENBUS | 72 | | GENECSLR | 17 | | GENETICS | 60 | | GEOG | 113 | | GEOSCI | 83 | | GERMAN | 82 | | GLE | 48 | | GNS | 38 | | GREEK | 27 | | HDFS | 41 | | HEBR-BIB | 13 | | HEBR-MOD | 10 | | HISTORY | 233 | | HISTSCI | 56 | | HONCOL | 13 | | ILS | 43 | | INFOSYS | 9 | | INTEGART | 7 | | INTEGSCI | 22 | | INTER-AG | 18 | | INTER-HE | 11 | | INTER-LS | 22 | | INTEREGR | 16 | | INTLBUS | 21 | | INTLST | 50 | | ISYE | 83 | | ITALIAN | 53 | | JEWISH | 56 | | JOURN | 88 | | KINES | 128 | | LACIS | 26 | | LANDARC | 61 | | LATIN | 24 | | LAW | 120 | | LEGALST | 48 | | LINGUIS | 35 | | LIS | 89 | | LITTRANS | 78 | | LSC | 52 | | M\&ENVTOX | 7 | | MARKETNG | 62 | | MATH | 153 | | MDGENET | 8 | | ME | 130 | | MEDHIST | 43 | | MEDICINE | 60 | | MEDIEVAL | 32 | | MEDPHYS | 39 | | MEDSC-M | 29 | | MEDSC-V | 41 | | MHR | 68 | | MICROBIO | 45 | | MILSCI | 16 | | MM\&I | 22 | | MOLBIOL | 6 | | MS\&E | 59 | | MUSIC | 165 | | MUSPERF | 126 | | NAVSCI | 20 | | NE | 44 | | NEURODPT | 11 | | NEUROL | 7 | | NEURSURG | 4 | | NTP | 11 | | NURSING | 111 | | NUTRSCI | 65 | | OBS\&GYN | 18 | | OCCTHER | 39 | | ONCOLOGY | 14 | | OPHTHALM | 5 | | OTM | 43 | | PATH | 34 | | PATH-BIO | 29 | | PEDIAT | 26 | | PHARMACY | 31 | | PHILOS | 77 | | PHMCOL-M | 11 | | PHMPRAC | 45 | | PHMSCI | 60 | | PHYASST | 37 | | PHYSICS | 88 | | PHYSIOL | 3 | | PHYTHER | 37 | | PLANTSCI | 52 | | PLPATH | 35 | | POLISCI | 192 | | POPHLTH | 58 | | PORTUG | 33 | | PSYCH | 101 | | PSYCHIAT | 22 | | PUBAFFR | 54 | | PUBLHLTH | 23 | | RADIOL | 11 | | REALEST | 41 | | RELIGST | 90 | | RHABMED | 9 | | RMI | 24 | | RP\&SE | 102 | | S\&APHM | 17 | | SCANDST | 73 | | SLAVIC | 89 | | SOC | 149 | | SOCWORK | 87 | | SOILSCI | 46 | | SPANISH | 83 | | SRMED | 21 | | STAT | 94 | | STDYABRD | 52 | | STS | 8 | | SURGERY | 25 | | SURGSCI | 33 | | THEATRE | 91 | | URBRPL | 60 | | UROLOGY | 5 | | ZOOLOGY | 89 | ## course ### run id 20260907T155543-ce3781c4 ### semester 1272 ### observed at 2026-09-07 15:55:43.033547+00:00 ### record version id d2005a65aafa1b99c741bc6729cca85b44bdb98663970368ddb72cf616fd1421 ### course id ECE 817 ### course uid course\_5f4a67327bb6b87df9ad5c3b ### catalog version id 6e6acd87fb85a1ae972096216a7424ad35feb10af9a476635acda56abde1e49e ### course number 817 ### subjects * ECE ### title NONLINEAR SYSTEMS ### description Modelling nonlinear systems, linearization, equilibria, solution concepts, phase plane analysis, stability concepts, Lyapunov methods, oscillations, vector space methods, control system nonlinearities and design. Selected topics from the following: input-output methods, switching and variable structure systems, feedback linearization, and Lyapunov robustness. Knowledge of linear systems \[such asE C E 717] strongly encouraged. ### requirements text Graduate/professional standing ### credit offering ids None recorded. ### llm job id enrich-8b774950c2b6adfdc46d1b82 ### llm output id 61c488b1546f1043b0823d9530cfb732ed649ea8e651bb46c6e4bab969d29fb0 ### llm model nvidia/Qwen3.6-35B-A3B-NVFP4 ### llm model revision 1355db6a052410cfd62085d94b58866fd0f2c3c5 ### llm task version 14 ### llm search status valid ### llm summary ECE 817 teaches modeling, analysis, and design of nonlinear systems using linearization, phase plane methods, and Lyapunov stability. ### llm topics * Nonlinear system modeling and linearization * Stability analysis and Lyapunov methods * Advanced nonlinear control topics ### llm skills * Modeling and analyzing nonlinear systems * Designing control systems with nonlinearities * Applying Lyapunov stability methods ### llm assumed background * Linear systems theory * Linear algebra ### llm search phrases * nonlinear systems control * Lyapunov stability analysis * phase plane analysis graduate * ECE 817 nonlinear systems ### llm requirements status valid ### llm student summary status valid ### llm experience status insufficient\_evidence ### catalog variants None recorded. ### student summary #### context hash 848f45b953e82688677418481a038007e242ccaba1eb31c24f626c559ebd3b90 #### course id ECE 817 #### current instructors None recorded. #### difficulty workload None recorded. #### errors None recorded. #### historical context None recorded. #### message No course-specific reviews available #### offered false #### profile hash 5cb4dabf887cdbcd8c00d5a1312e10828b95c63f30bc3ea76aea199565390d02 #### quick take Recent recorded grades — Fall 2016: 3.95 GPA, 100.0% A/AB (n=11 letter grades); Spring 2020: 4.00 GPA, 100.0% A/AB (n=10 letter grades); Spring 2023: 3.67 GPA, 77.8% A/AB (n=9 letter grades). ```json { "citations": [ { "course_id": "ECE 817", "run_id": "20260907T155543-ce3781c4", "source_record": { 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#### nodes ```json [ { "children": [], "condition": "Graduate/professional standing", "course": null, "evidence": "Graduate/professional standing", "id": "n0", "kind": "condition" } ] ``` #### notes None recorded. #### root n0 #### status parsed ### instructors None recorded. ### offerings None recorded. ### sections None recorded. ### grade instructors ```json [ { "instructor_uid": "instructor_fd0f7285bbe3808d1d4aa526", "source": "madgrades", "source_instructor_id": "3581046", "identity_basis": "source_id", "identity_status": "source_identified", "name": "IAN DOBSON", "email": null, "first_observed_at": "2026-09-06 23:14:58.172943+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "grade_statistics": { "gpa": 3.168, "graded": 101, "counts": [ 28, 26, 23, 10, 9, 5, 0 ], "sections": 23 }, "instructor_url": "/instructors/IAN_DOBSON--instructor_fd0f7285bbe3808d1d4aa526" }, { "instructor_uid": "instructor_49ad2008bae9eaafa29e17ca", "source": "madgrades", "source_instructor_id": "106073", "identity_basis": "source_id", "identity_status": "source_identified", "name": "BILL SETHARES", "email": null, "first_observed_at": "2026-09-06 23:14:58.172943+00:00", "last_observed_at": "2026-09-07 15:55:43.033547+00:00", "grade_statistics": { "gpa": 3.621, "graded": 1733, "counts": [ 1044, 361, 205, 46, 48, 10, 19 ], "sections": 147 }, "instructor_url": "/instructors/BILL_SETHARES--instructor_49ad2008bae9eaafa29e17ca" } ] ``` ### grades ```json [ { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 817", "course_uid": "course_5f4a67327bb6b87df9ad5c3b", "term_id": "1114", "term_name": "Spring 2011", "instructors": [ "IAN DOBSON" ], "a": 3, "ab": 1, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 2, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 6, "source_aliases": [ "ECE 817" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 817", "course_uid": "course_5f4a67327bb6b87df9ad5c3b", "term_id": "1172", "term_name": "Fall 2016", "instructors": [ "Bill Sethares" ], "a": 10, "ab": 1, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 11, "source_aliases": [ "ECE 817" ] }, { "run_id": "20260907T155543-ce3781c4", "semester": "1272", "observed_at": "2026-09-07 15:55:43.033547+00:00", "course_id": "ECE 817", "course_uid": "course_5f4a67327bb6b87df9ad5c3b", "term_id": "1204", "term_name": "Spring 2020", "instructors": [ "Bill Sethares" ], "a": 10, "ab": 0, "b": 0, "bc": 0, "c": 0, "d": 0, "f": 0, "satisfactory": 0, "unsatisfactory": 0, "credit": 0, "no_credit": 0, "passed": 0, "incomplete": 0, "no_work": 0, "not_reported": 0, "other": 0, "total": 10, 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departments ```json [ { "subject": "ECE", "comparison": { "size": 73, "gpaPercentile": 85, "countPercentile": 7, "medianCount": 83, "histogram": [ { "range": "0.0–0.4", "count": 0, "current": false }, { "range": "0.4–0.8", "count": 0, "current": false }, { "range": "0.8–1.2", "count": 0, "current": false }, { "range": "1.2–1.6", "count": 0, "current": false }, { "range": "1.6–2.0", "count": 0, "current": false }, { "range": "2.0–2.4", "count": 0, "current": false }, { "range": "2.4–2.8", "count": 0, "current": false }, { "range": "2.8–3.2", "count": 6, "current": false }, { "range": "3.2–3.6", "count": 34, "current": false }, { "range": "3.6–4.0", "count": 33, "current": true } ] } } ] ``` ### terms #### 1114 ##### term 1114 ##### gpa 3.875 ##### count 4 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | #### 1172 ##### term 1172 ##### gpa 3.9545454545454546 ##### count 11 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | #### 1204 ##### term 1204 ##### gpa 4 ##### count 10 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | #### 1234 ##### term 1234 ##### gpa 3.6666666666666665 ##### count 9 ##### departments | subject | comparison | | ------- | ---------- | | ECE | | ### benchmarks #### all ##### school ###### size 2560 ###### gpa 3.6171824029935364 ###### top Share 79.12081618528245 ###### count 82 ##### ECE ###### size 73 ###### gpa 3.5679419201213207 ###### top Share 75.90694978295551 ###### count 83 #### terms ##### 1114 ###### school ###### size 804 ###### gpa 3.3696004653806844 ###### top Share 64.0389334741844 ###### count 68 ###### ECE ###### size 22 ###### gpa 3.144458106909116 ###### top Share 49.77358787545943 ###### count 49 ##### 1172 ###### school ###### size 991 ###### gpa 3.465129042641772 ###### top Share 69.42600667567366 ###### count 67 ###### ECE ###### size 35 ###### gpa 3.3883507843058354 ###### top Share 63.7905998393372 ###### count 72 ##### 1204 ###### school ###### size 1012 ###### gpa 3.703747431523761 ###### top Share 84.59811226304916 ###### count 65.5 ###### ECE ###### size 34 ###### gpa 3.7346193271517083 ###### top Share 86.80502962000203 ###### count 73.5 ##### 1234 ###### school ###### size 1188 ###### gpa 3.5799441677552393 ###### top Share 77.18256448537606 ###### count 65 ###### ECE ###### size 41 ###### gpa 3.521247893399985 ###### top Share 73.18909826442149 ###### count 70 ## instructor Trends ```json [ { "uid": "instructor_49ad2008bae9eaafa29e17ca", "name": "BILL SETHARES", "count": 30, "terms": [ { "term": "1172", "count": 11, "sections": 1, "gpa": 3.9545454545454546 }, { "term": "1204", "count": 10, "sections": 1, "gpa": 4 }, { "term": "1234", "count": 9, "sections": 1, "gpa": 3.6666666666666665 } ] }, { "uid": "instructor_fd0f7285bbe3808d1d4aa526", "name": "IAN DOBSON", "count": 4, "terms": [ { "term": "1114", "count": 4, "sections": 1, "gpa": 3.875 } ] } ] ``` ## following None recorded.