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WikiCards · Card list · Nature cards · Complex logarithm
Uncommon card · Nature
Complex logarithm, an Uncommon card
In mathematics, a complex logarithm is a generalization of the natural logarithm to nonzero complex numbers.
- Rarity
- Uncommon
- Domain
- Nature
- ATK
- 71
- DEF
- 60
- Power
- 131
- Wikipedia reads a year
- 54,000
Power 131 (ATK + DEF): stronger than 70 % of WikiCards cards.
Complex logarithm quiz: 3 questions
Three questions on the Complex logarithm card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
Such a number w is ______ by log z.
Answer
denoted. Such a number w is denoted by log z. From the Complex logarithm article on Wikipedia.
Which of these Wikipedia articles is read the most in a year?
Answer
Gardenia. Gardenia 150,000 · Anatidae 120,000 · Javan tiger 96,000 · Complex logarithm 54,000 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 term refers to one of the following, which are strongly related: A complex logarithm of a nonzero complex number z, defined to be any complex number w for which e w = z.
- Such a number w is denoted by log z.
- If z is given in polar form as z = r e i θ, where r and θ are real numbers with r > 0, then ln r + i θ is one logarithm of z, and all the complex logarithms of z are exactly the numbers of the form ln r + i for integers k.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Complex logarithm article was read about 54,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 71 and blocks with 60: each hit it takes is cut by 24 %.
How to get Complex logarithm
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.
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Credits
Text : Wikipedia, Complex logarithm (revision), CC BY-SA 4.0. Photo : Nschloe, CC BY-SA 4.0, Wikimedia Commons.
