ELI5: Explain Like I'm 5

GF method

GF method is a mathematical technique used to solve difficult equations. To understand GF method, let's pretend you are playing a game where you need to find a treasure that is hidden in a big jungle.

Now, the jungle is very dense, and it has a lot of trees and bushes. It is very hard to navigate through it, and you might get lost. So, to help you find the treasure, you decide to make a map of the jungle.

You start by dividing the jungle into many small areas, and you assign a letter to each area. This will help you keep track of where you are and where you need to go.

Next, you start marking different paths on your map. Each path has a different combination of letters, and you assign a number to each path.

For example, if you go from area "A" to "B" and then to "C," you can assign the path "ABC" the number "1." If you go from "A" to "D" and then to "E," you can assign the path "ADE" the number "2."

Now, the GF method works by counting the number of paths that lead to the treasure. To do this, you need to use a special formula, which is called the GF equation.

The GF equation tells you how many paths of a certain length there are in the jungle that lead to the treasure. In other words, it tells you how many ways there are to get from the starting point to the treasure by following a certain path length, which means how many letters you need to use.

To solve the equation, you need to use some math tricks and formulas, but the basic idea is to add up the number of paths of different lengths. For example, you might have 10 paths of length 1, 20 paths of length 2, and 30 paths of length 3 that all lead to the treasure. By adding up these numbers, you can find the total number of paths that lead to the treasure.

In summary, the GF method is a mathematical technique that helps us count the number of paths that lead to a certain result. It works by using a map and assigning numbers to different paths. By solving the GF equation, you can find the total number of paths of different lengths that lead to the desired result.