My main business is project management.

A Hermitian matrix refers to a matrix that is equal to its complex conjugate transpose.

In linear algebra, symmetric matrices play a very important role.

I learned an algorithm to calculate the inverse matrix.

An identity matrix is a square matrix in which all the elements on the diagonal are 1 and all other elements are 0.

My father runs a warehouse business.

This event is a part of the important functions of the school.

He is a friend as precious as gold and jade.

He proudly showed me his diploma.

In Japanese grammar, verbs with k-row irregular conjugation are characteristic.