He has a deep interest in archaeology.

Linear programming is a part of operations research and is used to find the optimal solution.

Clifford algebra is a branch of mathematics, and it has a close relationship with physics.

A positive-definite matrix is an important concept in linear algebra.

In linear algebra, the upper triangular matrix plays a very important role.

A diagonal matrix is a matrix in which all elements outside the main diagonal are zero.

A lower triangular matrix is a matrix where all the elements below the main diagonal are zero.

By regularly checking the key performance indicators, you can understand the performance of the company and devise improvement measures.

He is majoring in linguistics.

He has a deep interest in astronomy.