I always have candy in my pocket.

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

A positive-semidefinite matrix is one of the important concepts in linear algebra.

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

The calculation of this transposed matrix is a bit complicated.

This square matrix has the same number of rows and columns.

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

My boat is equipped with the latest fishfinder.

She is conducting research on the world's oldest profession.

My father is an ichthyologist and has a deep knowledge about marine life.