Lotfi Zadeh: Google honors the creator of ‘fuzzy logic’

Google honors Lutfi Zadeh, the Azerbaijani computer scientist who came up with an idea “fuzzy logic” , by drawing a doodle for the home page.

Lotfi Zadeh’s life

Lotfi Ali Askarzadeh – who later changed to “Lotfi Aliaskarzadeh” – He was born in Baku, Azerbaijan on February 4, 1921 while his father, a journalist, was on assignment from Iran. In 1931, at the age of ten, Zadeh and his family returned to Tehran, Iran.

While attending Alborz College, Zadeh was inspired by the American missionaries who worked there, and began his desire to one day live in the United States. After earning a degree in electrical engineering from the University of Tehran—which in itself is no small feat, as several countries invaded Iran beginning in 1941, leaving it in a state of turmoil—Lotfizadeh and his wife reached out to their roots and moved to Philadelphia, Pennsylvania.

The question is not whether you are American, Russian, Iranian, Azerbaijani, or anything else. I have been shaped by all of these people and cultures and I feel very comfortable with all of them.

– Lotfi Zadeh

From there he studied at the Massachusetts Institute of Technology and later received his Ph.D. He received his Ph.D. from Columbia University, where he became an assistant professor in 1950. In 1959, Lotfizadeh joined the Department of Electrical Engineering at the University of California, Berkeley, which expanded to also include computer science. In the ensuing years, many other schools followed suit, expanding the study of computer science on university campuses around the world.

However, Lotfi Zadeh’s greatest contribution to computer science came in the form of a research paper called “blurry groups”. In general, mathematics and computers handle things in a binary fashion, which means that something will be either true (1) or false (0). By contrast, the real world is rarely completely polarized, with most things falling somewhere in between. in paper “Fuzzy Groups” , and the subsequent field “Fuzzy Math” , Zadeh demonstrates the usefulness of an infinite number of decimal places between 0 and 1.

One useful example of the occult mathematics used by Lotfi Zadeh is the car’s automatic braking system. In the binary system – true or false only – when the vehicle in front of you gets too close, the brakes will be fully applied immediately. In Foggy System, when the vehicle in front of you approaches – moving steadily from “security” (0) to “Unsafe” (1) – The brakes can be set stably from “uncompressed” (0) to “fully compressed” (1) .

As for why Google chose today to celebrate Toffa Zadeh, a paper was presented “Fuzzy Sets” It was first published on November 30, 1964 and finally published in 1965.

Zadeh has been working in the education field for decades, including graduating more than 50 Ph.Ds. the students. Lotfizadeh died at his home in Berkeley, California and was buried in Baku, Azerbaijan. Elsewhere in Baku, you can find a statue of the same man, along with a technological institute dedicated in his honor.

Lotfi Zadeh Google Doodle

To honor Lotfi Zadeh, Google has created artwork of the same man, surrounded by letters “Google”. In one of the Doodle sections there is a diagram that is meant to serve as an example of “Fuzzy Groups” for which Zadeh is famous.

Specifically, three larger triangles – in blue, yellow, and red – overlap to create two smaller triangles – in green and orange. Green and orange triangles make a great illustration of fuzzy groups, since one can ask if the area of ​​a green triangle is blue, and to some extent the answer is yes, it is blue. But it is also true that the area is yellow. As with many things in life, there are shades in between.

On the Google Doodle blog, you can find some insights shared by Lotfi Zadeh’s son, providing a first-hand look into the man’s life and home.

The best way to describe life in Zada’s house was “Avenue”. Lotfi was a serious colleague. she was “the party” To him it is a group of academics with super IQs who get together for dinner. When I listened to the resulting conversations, I was always amazed at how eloquent my father was and how deeply he understood the matter at hand. As my father said, “There are different levels of understanding.” His understanding was extraordinary.

– Norman Zadeh

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