Chapter 2: What is the Cost Function?

Except for those familiar with science, why an annealing machine derives the optimal solution from the cost function may not be clear. So, let's unpack the relationship between an annealing machine and the Ising model in detail.

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If you want to know specific examples of solving combinatorial optimization problems with an annealing machine

What is the combinatorial optimization problem?

Combinatorial optimization will be explained by using two easy-to-understand examples of familiar combinatorial optimization problems. The importance of finding and using fast solution methods for combinatorial optimization processes in an IoT society will also be discussed.

Optimization of researcher shifts with consideration for COVID-19 infection control

In the wake of the COVID-19 epidemic, we present a use case in which an annealing machine is used to create shifts for researchers under constraints that take into account the risk of infection.

Optimizing reinsurance portfolio

This article presents a use case in which an annealing machine is used to formulate a reinsurance portfolio that leverages the vast amount of data held by an insurance company to address natural catastrophe risks.

If you want to know how to use an annealing machine

Easy-to-learn optimization flow

For beginners, this article explains the procedures and key points of the process of solving optimization problems with an annealing machine. The process involves dividing the problem into four stages: "organizing problem and defining problem," "formulation," "input data preparation," and "executing CMOS annealing machine".