# Learning Algorithm of Boltzmann Machine Based on Spatial Monte Carlo Integration Method

## Abstract

**:**

## 1. Introduction

## 2. Boltzmann Machine Learning

## 3. Boltzmann Machine Learning Based on Spatial Monte Carlo Integration Method

#### 3.1. Spatial Monte Carlo Integration Method

#### 3.2. Boltzmann Machine Learning Based on First-Order SMCI Method

## 4. Comparison of 1-SMCI Learning Method and MPLE

#### 4.1. Comparison from Asymptotic Point of View

**Theorem**

**1.**

**Theorem**

**2.**

#### 4.2. Numerical Comparison

## 5. Numerical Comparison with Other Methods

## 6. Conclusions

## Acknowledgments

## Conflicts of Interest

## Appendix A. Proof of Theorem 1

## Appendix B. Proof of Theorem 2

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**Figure 1.**Example of the neighboring regions: (

**a**) when $C=\left\{13\right\}$, ${N}_{1}(C)=\{8,12,14,18\}$, ${N}_{2}(C)=\{3,7,9,11,15,17,19,23\}$, and ${R}_{2}(C)={N}_{1}(C)\cup {N}_{2}(C)$, and (

**b**) when $C=\{12,13\}$ and ${N}_{1}(C)=\{7,8,11,14,17,18\}$.

**Figure 2.**The mean absolute errors (MAEs) for various N: (

**a**) the case without the model error and (

**b**) the case with the model error. Each plot shows the average over 200 trials. MPLE, maximum pseudo-likelihood estimation; 1-SMCI, first-order spatial Monte Carlo integration method.

**Figure 3.**Mean absolute errors (MAEs) versus the number of updates of the gradient ascent method: (

**a**) $N=200$ and (

**b**) $N=2000$. Each plot shows the average over 200 trials. RM, ratio matching.

**Table 1.**Real computational times of the four learning methods. The setting of the experiment is the same as that of Figure 3b.

MPLE | RM | MPF | 1-SMCI | |
---|---|---|---|---|

time (s) | 0.08 | 0.1 | 0.04 | 0.26 |

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**MDPI and ACS Style**

Yasuda, M. Learning Algorithm of Boltzmann Machine Based on Spatial Monte Carlo Integration Method. *Algorithms* **2018**, *11*, 42.
https://doi.org/10.3390/a11040042

**AMA Style**

Yasuda M. Learning Algorithm of Boltzmann Machine Based on Spatial Monte Carlo Integration Method. *Algorithms*. 2018; 11(4):42.
https://doi.org/10.3390/a11040042

**Chicago/Turabian Style**

Yasuda, Muneki. 2018. "Learning Algorithm of Boltzmann Machine Based on Spatial Monte Carlo Integration Method" *Algorithms* 11, no. 4: 42.
https://doi.org/10.3390/a11040042