{"id":42235,"date":"2019-03-18T00:00:00","date_gmt":"2019-03-17T21:00:00","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/31-trln-znakov-posle-zapyatoj-novyj-rekord-tochnosti-chisla-pi"},"modified":"2020-02-18T13:45:04","modified_gmt":"2020-02-18T10:45:04","slug":"31-trln-znakov-posle-zapyatoj-novyj-rekord-tochnosti-chisla-pi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/31-trln-znakov-posle-zapyatoj-novyj-rekord-tochnosti-chisla-pi","title":{"rendered":"31 trilioni di cifre decimali: nuovo record di precisione del numero Pi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Oggi, 14 marzo, i matematici celebrano la giornata del numero Pi — una festa non ufficiale proposta nel 1987 dal fisico di San Francisco Larry Shaw. In occasione di questo evento, Google ha annunciato di aver stabilito un nuovo record di precisione per il calcolo di questa costante matematica.<\/p>\n

\"31<\/p>\n

Ricordiamo che Pi — \u00e8 il rapporto tra la lunghezza di una circonferenza e il suo diametro. Questo numero irrazionale ha una rappresentazione decimale che non finisce mai e non \u00e8 periodica.<\/p>\n

Secondo quanto riportato, il nuovo record di precisione del numero Pi \u00e8 stato stabilito dalla dipendente di Google Emma Haruka Iwao insieme ai suoi colleghi. La lunghezza della sequenza calcolata \u00e8 stata di 31 415 926 535 897 cifre. Questo \u00e8 circa 9 trilioni di cifre in pi\u00f9 rispetto al record precedente.<\/p>\n

\"31<\/p>\n

\u00c8 importante notare che i ricercatori hanno utilizzato risorse cloud e che i calcoli stessi hanno richiesto 121 giorni. La principale difficolt\u00e0 risiede nel fatto che per svolgere l'operazione \u00e8 necessaria un'enorme quantit\u00e0 di memoria.<\/p>\n

<\/center><\/p>\n

Inoltre, pi\u00f9 a lungo dura ciascun passaggio dei calcoli, maggiore \u00e8 la probabilit\u00e0 che si verifichi un errore, che potrebbe annullare tutti i risultati. <\/p>\n

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Fonte: 3dnews.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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In onore di questo evento, Google ha annunciato di aver stabilito un nuovo record di precisione nel calcolo di questa costante matematica. Ricordiamo che Pi rappresenta il rapporto della lunghezza di una circonferenza rispetto al suo diametro. Questo numero irrazionale, la cui rappresentazione decimale non finisce mai,","canonical_url":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/31-trln-znakov-posle-zapyatoj-novyj-rekord-tochnosti-chisla-pi","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"it_IT","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd4731 \u0442\u0440\u043b\u043d \u0437\u043d\u0430\u043a\u043e\u0432 \u043f\u043e\u0441\u043b\u0435 \u0437\u0430\u043f\u044f\u0442\u043e\u0439: \u043d\u043e\u0432\u044b\u0439 \u0440\u0435\u043a\u043e\u0440\u0434 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u0438 \u0447\u0438\u0441\u043b\u0430 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