I studied linear algebra at university.

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.

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

Finding the Summer Triangle is helpful for remembering constellations.

The Winter Triangle is shining in the night sky.

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

The grammar of 'Jou-nidan' is an important part in learning Japanese.

My room is on the upper level.

This handover is our new project.