圖中 Fomula 嘅 solution(解)有邊兩款可能性❓
答案係💡
一係 trivial solution(平凡解:x=0,y=0,z=0)
一係 infinitely many solutions(無限解)
右邊000係一個特別情況,想知有幾特別?首先要知「唔特別」嘅時候係點👇🏻
1. unique solution(唯一解)
2. infinitely many solutions(無限解)
3. no solution(無解)
咁如果右邊000,又有咩咁特別呢?就係特別在「x=0,y=0,z=0」永遠都符合所有算式,平凡人都會諗到嘅平凡解。我哋繼續推理:
1️⃣若然得一個解,咁就必定係「x=0,y=0,z=0」平凡解啦~
2️⃣由於「x=0,y=0,z=0」實啱,咁就唔會無解啦~
換言之,右邊000嘅解得兩個情況:一係「x=0,y=0,z=0」一係「無限咁多個解」🚀
#M2 技巧王 幫你避開考評陷阱,教你搶分技巧;M2 輕鬆攞 Lv 5+ 喇🌟
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🎲賭Sir|高階數學考試專家
🎓19 項數學公開試.以一 Take 過考取完美戰績
DSE:Math+M1+M2【5**】
CE & AL:Math+A.Math+Pure+Applied【A】
IAL:C12+C34+F1+F2+F3+M1+M2+M3+S1+S2+S3+D1【A】
🖥最高人氣補習網紅・貼地教數別樹一格
頻道 #杜氏數學 2016 年創辦,訂閱 65,000+,多條教學影片點擊 100,000+;2018 年獲出版社邀請,撰寫暢銷書《5**數學男人嫁得過》推廣「聰明應試」理念,並鼓勵年青人堅守自信。
🧠以心理學、高效學習融入補習教育當中
從中文大學風險管理學士畢業之後,鑽研超速學習法(Ultralearning)及教育心理學,將高效學方法先行用於自己身上,無間斷學習新知識;四年後重返校園,完成中文大學數學碩士(大數據分析)課程,期間考入門薩學會(Mensa),實證超速學習法。
🏆座右銘
好多人以為自己因為對數學無興趣,所以數學低分;事實剛好相反:因為自己數學低分,所以對數學無興趣。試諗下,若然你有歌神嘅聲線,你仲會對唱歌無興趣嗎?
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同時也有1部Youtube影片,追蹤數超過3萬的網紅pingkoc xo sora,也在其Youtube影片中提到,กลับมากลับฮาวทู ลุคใสๆ? ผิวฉ่ำโกลว์ เอาใจสาวๆไว้ไปถ่ายรูปรับแสงกันหน่อย และแน่นอนว่าเครื่องสำอางต้องติดทน ท้าแดดประเทศไทยกันสุดๆไปเลนค่ะ! ลุคนี้ผิงลอง...
「trivial solution」的推薦目錄:
- 關於trivial solution 在 賭Sir(杜氏數學) Facebook 的最佳解答
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- 關於trivial solution 在 少女 A Facebook 的最讚貼文
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trivial solution 在 國立陽明交通大學電子工程學系及電子研究所 Facebook 的最佳貼文
交通大學IBM中心特別邀請到ECE Department at New York University 的 Prof. H. Jonathan Chao 前來為我們演講,歡迎有興趣的老師與同學免費報名參加!
演講標題:CFR-RL: Traffic Engineering with Reinforcement Learning in SDN
演 講 者:Prof. H. Jonathan Chao (ECE Department at New York University)
時 間:2020/01/20(一) 15:00 ~ 17:00
地 點:交大工程四館816室
活動報名網址:https://forms.gle/k5txEfTX6jM7PBR98
聯絡方式:曾紫玲 Tel:03-5712121分機54599 Email:tzuling@nctu.edu.tw
Abstract:
Traffic Engineering (TE) is one of important network features for Software-Defined Networking (SDN) with an aim to help Internet Service Providers (ISPs) optimize network performance and resource utilization by configuring the routing across their backbone networks. Although TE solutions can achieve the optimal or near-optimal performance by rerouting as many flows as possible, they do not usually consider the negative impact, such as packet out of order, when frequently rerouting flows in the network. To mitigate the impact of network disturbance, one promising TE solution is forwarding the majority of traffic flows using Equal-Cost Multi-Path (ECMP) and selectively rerouting a few critical flows using SDN to balance link utilization of the network. However, critical flow rerouting is not trivial because the solution space for critical flow selection is immense. Moreover, it is impossible to design a heuristic algorithm for this problem based on fixed and simple rules, since rule-based heuristics are unable to adapt to the changes of the traffic matrix and network dynamics. In this talk, we describe a Reinforcement Learning (RL)-based scheme, called CFR-RL, that learns a policy to select critical flows for each given traffic matrix automatically. It then reroutes these selected critical flows to balance link utilization of the network by formulating and solving a simple Linear Programming (LP) problem. Extensive evaluations show that CFR-RL outperforms the best heuristic by 7.4% - 12.2% and reroutes only 10% - 21.3% of total traffic.
Biography:
H. Jonathan Chao is Professor of Electrical and Computer Engineering (ECE) at NYU, where he joined in January 1992. He is currently Director of High-Speed Networking Lab. He was Head of ECE Department from 2004-2014. He has been doing research in the areas of software defined networking, network function virtualization, datacenter networks, packet processing and switching, network security, and machine learning for networking. He holds 63 patents and has published more than 265 journal and conference papers. During 2000–2001, he was Co-Founder and CTO of Coree Networks, NJ, where he led a team to implement a multi-terabit router with carrier-class reliability. From 1985 to 1992, he was a Member of Technical Staff at Bellcore, where he was involved in network architecture designs and ASIC implementations, such as the world’s first SONET-like Framer chip, ATM Layer chip, Sequencer chip (the first chip handling packet scheduling), and ATM switch chip. He is a Fellow of National Academy of Inventors (NAI) for “having demonstrated a highly prolific spirit of innovation in creating or facilitating outstanding inventions that have made a tangible impact on quality of life, economic development, and the welfare of society.” He is a Fellow of the IEEE for his contributions to the architecture and application of VLSI circuits in high-speed packet networks. He received Bellcore Excellence Award in 1987. He is a co-recipient of the 2001 Best Paper Award from the IEEE Transaction on Circuits and Systems for Video Technology. He coauthored three networking books. He worked for Telecommunication Lab in Taiwan from 1977 to 1981. He received his B.S. and M.S. degrees in electronics engineering from National Chiao Tung University, Taiwan, in 1977 and 1980, respectively, and his Ph.D. degree in electrical engineering from The Ohio State University in 1985.
trivial solution 在 少女 A Facebook 的最讚貼文
[ 美食趣味藝術:oops 我把檸檬塔摔到地上了!! ]
義大利有個很有名的米其林廚師 Massimo Bottura,專門用食材耍花樣做些前衛概念的料理。他煮的不像是我們一般認知的 “食物”,而是煮一種 “想法”。例如 Massimo 曾認為義大利人在吃義大利餃時十分快速,把這日常食物視為極其理所當然,在嘴裡胡咬亂嚼一陣便吞下肚。為了讓人聚精會神的 “品嘗” 餃子,他設計了一道菜,便是六個餃子一個一個排向湯的方向,像是要跳水而入。當時去他餐廳的客人,點完菜一上桌看到是六個小小的義大利餃,無不傻眼,(敢在對料理方面偏保守的義大利做這種事真的勇氣可嘉)Massimo 的餐廳也承受了很長時間的質疑批評,直到某天一個美食評論家碰巧來到他的餐廳,之後將他的食物譽為 “料理的後現代主義” 之後,才從此一砲而紅。
我覺得最有趣的一道菜是圖裡的 Opps, I dropped the lemon tart. 從他的訪問裡,這道菜概念是想挑戰人在日常生活中對完美無異類的追求,並將重點從檸檬塔的形狀等麻煩事拉回檸檬塔純粹的味道上,因此才刻意打碎這檸檬塔來端上桌。
雖說如此,不過 Massimo 在紀錄片裡卻說會有這道菜一開始其實是因為他們餐廳一個人在端菜出去時,不小心把盤子摔到地上,他們急中生智,便把其他盤塔也都給打破,並且搞的像是本來就要故意打破的樣子,這才瞞過客人。
總之,能像這個廚師一樣用食材做藝術,玩遊戲,實驗概念,讓食物不再只是我們吃下肚去的東西,實在是讓 “吃” 再更進一步,也變得更加有趣。
只是我真的不想只吃六個餃子....
Photo credit Foodfile.typepad
[ Witty Culinary Art : Oops I dropped the lemon tart! ]
There's a fairly famous Italian Michelin cook Massimo Bottura, who constantly plays with edible ingredients to compose avant-guard dishes. What he cooks is not "food" that we ordinarily known, but the "ideas" behind the food. For example, Massimo thought Italians take Italian dumplings too much for granted, always gobbling them down without savoring and appreciating them. So, Massimo designed a dish which is made of only 6 dumplings (yes six) lining towards the soup, as if those little meat filled balls are jumping into water. Not surprisingly, when the clients of restaurant saw this dish presented on table, they all feel like wtf. Massimo's restaurant was under lots of doubts and criticism for a long time, until one day a prestigious food critique went to Massimo's restaurant randomly and after complimented the food there as "The Postmodern of Culinary", from then on, Massimo's concepts started to receive positive feedbacks.
One of the most interesting dishes for me is the one in the picture below: Oops I dropped the lemon tart. In Massimo's interview, he said this dish was designed to poke at people's unconscious compulsive search for perfection and conformity, and to bring the attention from trivial aspects such as the shape of the food back to the essence of food: the taste.
Although in the interview Massimo said so, but if you have watched his documentary, he actually revealed that in the beginning the restaurant launched this dish was because one of the staff accidentally dropped the plates with lemon tart on the ground. To solve this urgent disaster, Massimo decided to break all the other tarts, as if they "planned" to do so. In the end, this witty solution successfully lied over the customers.
Anyway, a cook like Massimo who plays and experiments with food to make art and games indeed makes food not just something we gulp down our bellies, but something more interesting and meaningful.
But still, six single dumplings don't sound so alluring to me..
Photo Credit Foodfile.typepad
trivial solution 在 pingkoc xo sora Youtube 的精選貼文
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trivial solution 在 What do trivial and non-trivial solution of homogeneous ... 的推薦與評價
As far as I know non trivial solution means solutions is not equal to zero but in any case x,y,z=0 will satisfy given equations regardless of it's value of ... ... <看更多>
trivial solution 在 [理工] 工數矩陣的trivial solution - 看板Grad-ProbAsk - 批踢踢 ... 的推薦與評價
如題
工數 矩陣的單元裡
出現一個名詞 trivial solution
跟 nontrivial solution
不曉得是什麼意思耶??
(喻老 舊版工數(下) p309 第八題)
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