Computational linguistics is the study of analyzing human language with computers.

He is an expert in computer science.

Computational geometry is an important field of computer science.

He is studying late into the night to learn a new computer language.

I analyze data using a spreadsheet software.

The time complexity of this algorithm is O(n).

The space complexity of this algorithm is O(n).

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.