He solved the problem using inductive reasoning.

He likes to take a walk in the park at dusk.

In linear algebra, the upper triangular matrix plays a very important role.

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

Finding the Summer Triangle is helpful for remembering constellations.

The Winter Triangle is shining in the night sky.

We should always remember the power of Kannon in difficult times.

Electroporation is a biotechnology technique that creates temporary holes in the cell membrane to incorporate substances into the cell.

Variational method is a branch of mathematics used to find the minimum and maximum values of functions.

Linear programming is a part of operations research and is used to find the optimal solution.