The character of a person is reflected in their fortune (derived from a constellation).

This house is old, but you can feel its character.

Tomorrow's flight has been cancelled as planned.

Tomorrow's flight has been cancelled as planned.

Understanding probability space is important for learning the basics of statistics.

He majored in comparative literature and learned about many cultures.

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

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

The diagonal elements of this matrix are all 1.

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