C++ Matrix Operations System

I need a project done in the next hour.
I'm looking for an experienced C++ developer to create a system programming project focused on matrix operations. The core functionalities required are:

- Matrix multiplication
- Matrix inversion
- Determinant calculation

Ideal skills and experience include:

- Proficiency in C++ and system programming
- Strong understanding of linear algebra and matrix operations
- Experience with performance optimization in computational tasks
- Familiarity with developing efficient algorithms and data structures

Please provide examples of similar work done and a brief overview of your approach.