Richard Sanders
Mathematics
University of Houston
             

Office: PGH 689.
Phone: Currently out of order. (713) 743-3447.
Email:  rsanders@uh.edu

Your final exam is graded. See solutions and histogram below.
Y'all have a great summer.

● I will be in my office on Tues May 19th from 10am to at least noon
● and on Thurs May 21 from 10am to at least noon.
Email me if I should schedule other days and/or times.

Spring 2026 (Jan 20 -- May 12, 2026)

Math 3331 - Differential Equations.
Tu&Th 10:00-11:30, CEMO 109

Course Syllabus
We'll have 2 midterms + the final.

My assistant is Gongran Yao.
   Office: PGH 347.
   Tutoring: Mon 1:00-2:00pm, Thur 3:30-4:30pm at MUSL, Fleming 11.
   Email: gyao@cougarnet.uh.edu

• Homework and solutions will be listed below here as they become available.

Homework 1 (pdf file, 51KB)
Solutions (pdf file, 1329KB)

Homework 2 (pdf file, 40KB)
Solutions (pdf file, 599KB)

Homework 3 (pdf file, 45KB)
Solutions (pdf file, 761KB)

Homework 4 (pdf file, 44KB)
Solutions (pdf file, 693KB)
Hanging Chain (pdf file, 35KB)
Brachistochrone (pdf file, 74KB)

Homework 5 (pdf file, 76KB)
Here are all solutions to HW5.
Solutions (pdf file, 821KB)

Exam 1 (pdf file, 27KB)
Solutions (pdf file, 993KB)
Histogram

Homework 6 (pdf file, 81KB)
Fundamental Set Notes (pdf file, 37KB)
Solutions (pdf file, 2597KB)

Homework 7 (pdf file, 74KB)
Solutions (pdf file, 1181KB)

Homework 8 (pdf file, 50KB)
Solutions (pdf file, 1755KB)

Homework 9 (pdf file, 41KB)
Solutions (pdf file, 522KB)

Exam 2 (pdf file, 25KB)
Solutions (pdf file, 1359KB)
Histogram

Homework 10 (pdf file, 99KB)

Final Exam (pdf file, 30KB)
Solutions (pdf file, 1870KB)
Histogram

Math 2318 - Linear Algebra.
Tu&Th 1:00-2:30, CEMO 109

Course Syllabus
We'll have 2 midterms + the final.

My assistant is Carolyn Nguyen.
   Office: PGH 343.
   Tutoring: Tu & Th 11:00am-12:00noon at CASA.
   Email: cynguye2@CougarNet.uh.edu

• Homework and solutions will be listed below here as they become available.

Homework 1 (pdf file, 89KB)
Solutions (pdf file, 912KB)

Homework 2 (pdf file, 15KB)

Homework 3 (pdf file, 89KB)
Solutions (pdf file, 1478KB)
Dimension Notes (pdf file, 37KB)

Homework 4 (pdf file, 48KB)
Solutions (pdf file, 1043KB)

Homework 5 (pdf file, 44KB)
Rank Theorem Notes (pdf file, 30KB)
Solutions (pdf file, 1107KB)

Exam 1 (pdf file, 28KB)
Solutions (pdf file, 1124KB)
Histogram

Homework 6 (pdf file, 84KB)
Two Additional Determinant Proofs (pdf file, 34KB)
Solutions (pdf file, 774KB)

Homework 7 (pdf file, 71KB)
Solutions (pdf file, 590KB)

Homework 8 (pdf file, 36KB)
Additional Eigenvalue/vector Notes (pdf file, 67KB)
Solutions (pdf file, 959KB)
Title on solutions says HW7. It's actually HW8.

Homework 9 (pdf file, 50KB)
Solutions (pdf file, 959KB)

FYI: For nondiagonalizable examples, see ODE homework 9 above.

Exam 2 (pdf file, 23KB)
Solutions (pdf file, 851KB)
Histogram

Homework 10 (pdf file, 91KB)
Solutions (pdf file, 1013KB)

Final Exam (pdf file, 30KB)
Solutions (pdf file, 1730KB)
Histogram

Display High speed cylinder wake (8064K) animation.
Display High speed diffuser (6479K) animation.

Interacting Singular Shocks Animation
Display (4243K).
Display (1115K).
Display (924K).
Display (1470K).

Display 2 toy airplanes mpg (213K) animation.
Display NASA Mars mpg (83K) animation.

Display A jpg test.
Display A gif test.
Display A ppm(gzip'd) test.