Some resources I find useful for my own study and research, leave a comment on the home page or shoot me an email if any of the links are invalid anymore.

#### Numerical linear algebra

- Matrix Market, a good place to find test matrices for your research.
- SuiteSparse Matrix Collection, formally known as The University of Florida Sparse Matrix Collection, a collection of sparse matrices. Most importantly, it has beautiful pictures for each matrices!
- Structured Matrix Market, a collection of structured matrices.

#### Programming

- XSEDE (Extreme Science and Engineering Discovery Environment) along with PSC (Pittsburgh Supercomputing Center) offers a series of high performance computing workshops, topics include OpenMP, MPI, OpenACC, etc. More information can be found at XSEDE’s course calendar.
- LeetCode has a large collection of coding problems to prepare you for code interview in tech companies.
- Check Detexify if you forget the Latex command for a math symbol.

#### Graduate study

- An Abstract Algebra note I wrote to get myself familiar with Latex and prepare for the qualify exam, it includes all definitions, propositions, theorems and corollaries from Chapter 1–14 in
*Abstract Algebra, Third Edition*by Dummit and Foote. - French Glossary for reading mathematical texts made by Kai-Wen Lan.