Какие ограничения можно добавить в функцию стоимости на практике
В реальных задачах можно учитывать различные ограничения:
▪️ Физические ограничения — например, в моделях физических процессов можно добавить штраф за нарушение законов сохранения энергии или массы. ▪️ Ресурсные ограничения — в рекомендательных системах можно ограничивать бюджет рекомендаций или обеспечивать справедливость, штрафуя за отклонения от заданных метрик. ▪️ Чувствительность к риску — в финансовых моделях можно добавить штраф за высокие риски, например, используя Value at Risk (VaR) или Conditional Value at Risk (CVaR).
Какие ограничения можно добавить в функцию стоимости на практике
В реальных задачах можно учитывать различные ограничения:
▪️ Физические ограничения — например, в моделях физических процессов можно добавить штраф за нарушение законов сохранения энергии или массы. ▪️ Ресурсные ограничения — в рекомендательных системах можно ограничивать бюджет рекомендаций или обеспечивать справедливость, штрафуя за отклонения от заданных метрик. ▪️ Чувствительность к риску — в финансовых моделях можно добавить штраф за высокие риски, например, используя Value at Risk (VaR) или Conditional Value at Risk (CVaR).
Telegram auto-delete message, expiring invites, and more
elegram is updating its messaging app with options for auto-deleting messages, expiring invite links, and new unlimited groups, the company shared in a blog post. Much like Signal, Telegram received a burst of new users in the confusion over WhatsApp’s privacy policy and now the company is adopting features that were already part of its competitors’ apps, features which offer more security and privacy. Auto-deleting messages were already possible in Telegram’s encrypted Secret Chats, but this new update for iOS and Android adds the option to make messages disappear in any kind of chat. Auto-delete can be enabled inside of chats, and set to delete either 24 hours or seven days after messages are sent. Auto-delete won’t remove every message though; if a message was sent before the feature was turned on, it’ll stick around. Telegram’s competitors have had similar features: WhatsApp introduced a feature in 2020 and Signal has had disappearing messages since at least 2016.
The global forecast for the Asian markets is murky following recent volatility, with crude oil prices providing support in what has been an otherwise tough month. The European markets were down and the U.S. bourses were mixed and flat and the Asian markets figure to split the difference.The TSE finished modestly lower on Friday following losses from the financial shares and property stocks.For the day, the index sank 15.09 points or 0.49 percent to finish at 3,061.35 after trading between 3,057.84 and 3,089.78. Volume was 1.39 billion shares worth 1.30 billion Singapore dollars. There were 285 decliners and 184 gainers.
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