The First Cry of Atom Today is the first day of the rest of my life.

Welcome Open Source movement in Hardware company

Today is the first day of new era for Open Source movements. All Our Patent Are Belong To You Tesla Motor by Steve Jurvetsonflickr</figcaption> </div> Tesla is famous for its motor products. These opened patents includes EV technologies for the future. I think it will accelerate the speed of development of EV vehicles. So t... Read more

Hack NHK

Recently, there are a lot of hackathon in Japan. This word “Hackathon” also have been familiar word to non programmers. People want to use this type of event in order to solve any problems they have at office, home and life. NHK is Japan’s national public broadcasting organization. The name is abbreviation of “Nippon Housou Kyoukai”. This organ... Read more

What is the essential factor of autoencoder?

The other day, I wrote neural network which implements backpropagation algorithm. Following this program I write denoised autoencoder program by inheriting previous neural network. Backpropagation algorithm is generally good performance in spite of the simplicity. With this code, I can be ranked in at the 266th(May 20th, 2014). So I think this i... Read more

Dear, O

Hello, nice to meet you. I am a novice software engineer who has worked for about 2 years. An ordinary man. I have no honor, no fame and no wealth. Of course you don’t know who I am. There is no connection between us such as email, facebook and twitter. The reason why I can mate your name and your face is no more than watching on TV. That’s all.... Read more

Patterns about BFS in competitive programming

So let’s go back to English from today :) I solved SRM612 Div1 for practice. This problem is this In this post, I left out the detail of this problem because main topic of this post is pattern of BFS. First I tried to solve this problem with some dynamic programming algorithm. But after trying, I found BFS is sufficient algorithm to solve. So n... Read more