singular they

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• Singular they — is a popular, non technical expression for uses of the pronoun they (and its inflected forms) when plurality is not required by the context. The Chicago Manual of Style notes: On the one hand, it is unacceptable to a great many reasonable readers …   Wikipedia

• Singular value decomposition — Visualization of the SVD of a 2 dimensional, real shearing matrix M. First, we see the unit disc in blue together with the two canonical unit vectors. We then see the action of M, which distorts the disk to an ellipse. The SVD decomposes M into… …   Wikipedia

• Singular homology — In algebraic topology, a branch of mathematics, singular homology refers to the study of a certain set of topological invariants of a topological space X , the so called homology groups H n(X). Singular homology is a particular example of a… …   Wikipedia

• they — pronoun, plural in construction Etymology: Middle English, from Old Norse their, masculine plural demonstrative & personal pronoun; akin to Old English thæt that Date: 13th century 1. a. those ones used as third person pronoun serving as the… …   New Collegiate Dictionary

• they — /dhay/, pron. pl., poss. their or theirs, obj. them. 1. nominative plural of he, she, and it. 2. people in general: They say he s rich. 3. (used with an indefinite singular antecedent in place of the definite masculine he or the definite feminine …   Universalium

• Singular function — The graph of the winding number of the circle map is an example of a singular function. In mathematics, a singular function is any function ƒ defined on the interval [a, b] that has the following properties: ƒ is continuous on [a, b]. (**) there… …   Wikipedia

• Singular Spectrum Analysis — The Singular Spectrum Analysis (SSA) techniqueis a powerful technique of time series analysisincorporating the elements of classical time series analysis,multivariate statistics, multivariate geometry, dynamical systemsand signal processing. The… …   Wikipedia

• Singular point — Point Point, n. [F. point, and probably also pointe, L. punctum, puncta, fr. pungere, punctum, to prick. See {Pungent}, and cf. {Puncto}, {Puncture}.] 1. That which pricks or pierces; the sharp end of anything, esp. the sharp end of a piercing… …   The Collaborative International Dictionary of English

• Generalized singular value decomposition — In linear algebra the generalized singular value decomposition (GSVD) is a matrix decomposition more general than the singular value decomposition. It is used to study the conditioning and regularization of linear systems with respect to… …   Wikipedia

• Hankel singular value — In control theory, Hankel singular values, named after Hermann Hankel, provide a measure of energy for each state in a system. They are the basis for balanced model reduction, in which high energy states are retained while low energy states are… …   Wikipedia