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1 天前 · Cameroon,[a] officially the Republic of Cameroon,[b] is a country in Central Africa. It shares boundaries with Nigeria to the west and north, Chad to the northeast, the Central African Republic to the east, and Equatorial Guinea, Gabon and the Republic of the Congo to the south. Its coastline lies on the Bight of Biafra, part of the Gulf of ...
2 天前 · Denmark (Danish: Danmark, pronounced [ˈtænmɑk] ⓘ) is a Nordic country in the south-central portion of Northern Europe. It is the metropolitan part of and the most populous constituent of the Kingdom of Denmark,[N 8] a constitutionally unitary state that includes the autonomous territories of the Faroe Islands and Greenland in the North ...
1 天前 · Etymology Ptolemy's Asia The term "Asia" is believed to originate in the Bronze Age placename Assuwa (Hittite: 𒀸𒋗𒉿, romanized: aš-šu-wa) which originally referred only to a portion of northwestern Anatolia.The term appears in Hittite records recounting how a confederation of Assuwan states including Troy unsuccessfully rebelled against the Hittite king Tudhaliya I around 1400 BCE.
2 天前 · Internet TLD. .ma. .المغرب. Morocco, [d] officially the Kingdom of Morocco, [e] is a country in the Maghreb region of North Africa. It overlooks the Mediterranean Sea to the north and the Atlantic Ocean to the west, and has land borders with Algeria to the east, and the disputed territory of Western Sahara to the south.
1 天前 · Laplace transform. In mathematics, the Laplace transform, named after Pierre-Simon Laplace ( / ləˈplɑːs / ), is an integral transform that converts a function of a real variable (usually , in the time domain) to a function of a complex variable (in the complex-valued frequency domain, also known as s-domain, or s-plane ).
4 天前 · Probability theory. In probability theory and statistics, a normal distribution or Gaussian distribution is a type of continuous probability distribution for a real-valued random variable. The general form of its probability density function is. The parameter is the mean or expectation of the distribution (and also its median and mode ), while ...
2 天前 · Central limit theorem. In probability theory, the central limit theorem ( CLT) states that, under appropriate conditions, the distribution of a normalized version of the sample mean converges to a standard normal distribution. This holds even if the original variables themselves are not normally distributed.
