sum of vectors
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Empty sum — Not to be confused with Zero sum. In mathematics, an empty sum, or nullary sum, is a summation involving no terms at all. The value of any empty sum of numbers is conventionally taken to be zero. For summations defined in terms of addition of… … Wikipedia
vector sum — noun Date: circa 1890 the sum of a number of vectors that for the sum of two vectors is geometrically represented by the diagonal of a parallelogram whose sides represent the two vectors being added … New Collegiate Dictionary
Connected sum — In mathematics, specifically in topology, the operation of connected sum is a geometric modification on manifolds. Its effect is to join two given manifolds together near a chosen point on each. This construction plays a key role in the… … Wikipedia
vector sum — noun a vector that is the sum of two or more other vectors • Syn: ↑resultant • Derivationally related forms: ↑resultant (for: ↑resultant) • Hypernyms: ↑vector * * * … Useful english dictionary
The Sum of All Men — infobox Book | name = The Sum of All Men title orig = translator = image caption = US Hardcover Edition author = David Farland cover artist = Darrell K. Sweet country = United States language = English series = The Runelords genre = Epic fantasy… … Wikipedia
vector sum — vec′tor sum n. math. phs a vector having components equal to the sum of the components of two or more given vectors … From formal English to slang
vector sum — Math. the vector obtained by applying vector addition to two or more given vectors. [1900 05] * * * … Universalium
vector sum — noun The vector whose initial and final points are those of a series of other vectors laid end to end. Syn: resultant … Wiktionary
Curvilinear coordinates — Curvilinear, affine, and Cartesian coordinates in two dimensional space Curvilinear coordinates are a coordinate system for Euclidean space in which the coordinate lines may be curved. These coordinates may be derived from a set of Cartesian… … Wikipedia
Compositional data — In statistics, compositional data are quantitative descriptions of the parts of some whole, conveying exclusively relative information. This definition, given by John Aitchison (1986) has several consequences: A compositional data point, or… … Wikipedia
Basis (linear algebra) — Basis vector redirects here. For basis vector in the context of crystals, see crystal structure. For a more general concept in physics, see frame of reference. In linear algebra, a basis is a set of linearly independent vectors that, in a linear… … Wikipedia
