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sparse 音標拼音: [sp'ɑrs] a. 稀疏的,稀稀落落的,薄的 稀疏的,稀稀落落的,薄的 sparse 稀疏 sparse adj 1: not dense; "a thin beard"; "trees were sparse" [synonym: {sparse}, {thin}] Sparse \Sparse\, a. [Compar. {Sparser}; superl. {Sparsest}.] [L. sparsus, p. p. of spargere to strew, scatter. Cf. {Asperse}, {Disperse}.] 1. Thinly scattered; set or planted here and there; not being dense or close together; as, a sparse population. --Carlyle. [1913 Webster] 2. (Bot.) Placed irregularly and distantly; scattered; -- applied to branches, leaves, peduncles, and the like. [1913 Webster] Sparse \Sparse\, v. t. [L. sparsus, p. p. of spargere to scatter.] To scatter; to disperse. [Obs.] --Spenser. [1913 Webster] 64 Moby Thesaurus words for "sparse": almost unheard-of, at a premium, broadcast, cheeseparing, chinchy, chintzy, diffuse, discrete, dispersed, dispread, disseminated, dissipated, distributed, exiguous, in short supply, inappreciable, infrequent, insignificant, limited, little, meager, miserly, niggardly, not much, occasional, out of print, out of season, out of stock, piddling, poor, rare, scant, scanty, scarce, scattered, scrimp, scrimping, scrimpy, seldom met with, seldom seen, skimp, skimping, skimpy, slim, slow, spare, sparing, sporadic, spotty, spread, spread out, sprinkled, stingy, straggling, straggly, strewn, strown, thin, tight, uncommon, unfrequent, unique, unusual, widespread A sparse {matrix} (or {vector}, or {array}) is one in which
most of the elements are zero. If storage space is more important than access speed, it may be preferable to store a sparse matrix as a list of (index, value) pairs or use some kind of {hash} scheme or {associative memory}. (1995-01-16)
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