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WikiCards · Card list · Science cards · Metric space
Uncommon card · Science
Metric space, an Uncommon card
In mathematics, a metric space is a set together with a notion of distance between its points.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 83
- DEF
- 73
- Power
- 156
- Wikipedia reads a year
- 130,000
Power 156 (ATK + DEF): stronger than 80 % of WikiCards cards.
Metric space quiz: 3 questions
Three questions on the Metric space card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
The distance is measured by a ______ called a metric or distance function.
Answer
function. The distance is measured by a function called a metric or distance function. From the Metric space article on Wikipedia.
Which of these cards hits hardest (highest ATK)?
Answer
Metric space. Metric space 83 · Vacuum 80 · Galactic Center 76 · Ivan Pavlov 73 ATK in WikiCards.
Which of these Wikipedia articles is read the most in a year?
Answer
Galactic Center. Galactic Center 230,000 · Metric space 130,000 · I386 92,000 · Scientific American 70,000 Wikipedia reads over a year.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- The distance is measured by a function called a metric or distance function.
- Metric spaces are a general setting for studying many of the concepts of mathematical analysis and geometry.
- The most familiar example of a metric space is 3-dimensional Euclidean space with its usual notion of distance.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Metric space article was read about 130,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 83 and blocks with 73: each hit it takes is cut by 29 %.
How to get Metric space
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Metric space in the power ranking, all domains together.
- Yue ChineseUncommon · Society · ATK 75 DEF 81
- CatapultUncommon · History · ATK 72 DEF 84
- IbadanUncommon · Society · ATK 76 DEF 80
- Popol VuhUncommon · Arts · ATK 73 DEF 83
- 1983–1985 famine in EthiopiaUncommon · Nature · ATK 74 DEF 82
- National parkUncommon · Society · ATK 75 DEF 81
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Metric space (revision), CC BY-SA 4.0. Photo : Qef, Public domain, Wikimedia Commons.
