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请输入英文单字，中文词皆可：

broket    
/broh'k*t/ or /broh'ket/ (From broken bracket)
Either of the characters "<" or ">" when used as paired
enclosing {delimiters} ({angle brackets}).

[{Jargon File}]

(1997-07-21)


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英文字典中文字典相关资料:


  • Square root - Wikipedia
    Notation for the (principal) square root of x For example, √ 25 = 5, since 25 = 5 ⋅ 5, or 52 (5 squared) In mathematics, a square root of a number x is a number y such that ; in other words, a number y whose square (the result of multiplying the number by itself, or ) is x [1] For example, 4 and −4 are square roots of 16 because Every nonnegative real number x has a unique
  • Square root algorithms - Wikipedia
    Square root algorithms compute the non-negative square root of a positive real number Since all square roots of natural numbers, other than of perfect squares, are irrational, [1] square roots can usually only be computed to some finite precision: these algorithms typically construct a series of increasingly accurate approximations Most square root computation methods are iterative: after
  • nth root - Wikipedia
    Modern notation for the n th root of the variable x In mathematics, an nth root of a number is the number r which, when multiplied by itself n times, yields x: The positive integer n is called the index or degree, and the number x of which the root is taken is the radicand A root of degree 2 is called a square root and a root of degree 3, a cube root Roots of higher degree are referred by
  • Integer square root - Wikipedia
    Integer square root In number theory, the integer square root (isqrt) of a non-negative integer n is the non-negative integer m which is the greatest integer less than or equal to the square root of n, For example,
  • Eigenvalues and eigenvectors - Wikipedia
    Just as in the one-dimensional case, the square root is taken because the standard deviation is more readily visualized than the variance The eigendecomposition of a symmetric positive semidefinite (PSD) matrix yields an orthogonal basis of eigenvectors, each of which has a nonnegative eigenvalue
  • Square root of 2 - Wikipedia
    The square root of 2 (approximately 1 4142) is the positive real number that, when multiplied by itself or squared, equals the number 2 It may be written as or It is an algebraic number, and therefore not a transcendental number Technically, it should be called the principal square root of 2, to distinguish it from the negative number with the same property Geometrically, the square root
  • Imaginary unit - Wikipedia
    Square roots of negative numbers are called imaginary because in early-modern mathematics, only what are now called real numbers, obtainable by physical measurements or basic arithmetic, were considered to be numbers at all—even negative numbers were treated with skepticism—so the square root of a negative number was previously considered undefined or nonsensical The name imaginary is





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