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G. H. Hardy, A Mathematician's Apology (1940) He [Russell] said once, after some contact with the Chinese language, that he was horrified to find that the language of Principia Mathematica was an Indo-European one. John Edensor Littlewood, Littlewood's Miscellany (1986) The Principia Mathematica (often abbreviated PM) is a three-volume work on the foundations of mathematics written by ...
Scalar (mathematics) A scalar is an element of a field which is used to define a vector space . In linear algebra, real numbers or generally elements of a field are called scalars and relate to vectors in an associated vector space through the operation of scalar multiplication (defined in the vector space), in which a vector can be multiplied ...
Matrix (mathematics) An m × n matrix: the m rows are horizontal and the n columns are vertical. Each element of a matrix is often denoted by a variable with two subscripts. For example, a2,1 represents the element at the second row and first column of the matrix. In mathematics, a matrix ( pl.: matrices) is a rectangular array or table of ...
National Public Data didn’t respond to a request for comment. It hasn’t been confirmed that the Social Security number of every American was leaked. The lawsuit says the plaintiff got an alert ...
Dozens of Delta Air Lines flights were canceled and more than 200 delayed Wednesday as the Atlanta-based carrier continued to recover from last week's global CrowdStrike-Microsoft IT outage.
During a 2021 shareholders meeting, he said, “I do not think the average person can pick stocks.” Therefore, investing in an S&P 500 index fund is a relatively simple passive income strategy.
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In mathematics, a norm is a function from a real or complex vector space to the non-negative real numbers that behaves in certain ways like the distance from the origin: it commutes with scaling, obeys a form of the triangle inequality, and is zero only at the origin. In particular, the Euclidean distance in a Euclidean space is defined by a ...