row or column percentages

Báo cáo toán học: "On the number of possible row and column sums of 0,1-matrices" pps

... an efficient algorithm for computing p(m, n) Algorithm We construct a table of the values p(i, j), for ≤ i, j ≤ m by induction on j First we fill in p(i, 1) = 2i , for ≤ i ≤ m Next, for a given j ... proved in [2, Corollary 6.2.5] or [3, Theorem 16.1], gives necessary and sufficient conditions for a pair of vectors to lie in RC m,n Lemma Let x in Nm be the vector of row sums of a matrix in M, ... have |x(M)| = |M| = |y(M)| for M ∈ M Thus, a necessary condition for x and y to be row and column sums of a matrix is that they have the same weight Clearly, the row sums of a member of M are...

Column-Stores vs. Row-Stores: How Different Are They Really? docx

Danh mục: Cơ sở dữ liệu

... operation in a column store Naive column- stores [13, 14] store data on disk (or in memory) column- by -column, read in (to CPU from disk or memory) only those columns relevant for a particular ... optimizations for improving row- store performance, nor at some of the advanced techniques for improving column- store performance Halverson et al [13] built a column- store implementation in Shore and ... attempts to emulate a column store in a row- store compare to the baseline performance of C-Store? Is it possible for an unmodiﬁed row- store to obtain the beneﬁts of column- oriented design? In contrast...

Báo cáo toán học: "Asymptotic Enumeration of Dense 0-1 Matrices with Equal Row Sums and Equal Column Sums" docx

Danh mục: Báo cáo khoa học

... over {0, 1, 2, } with equal row sums and equal column sums the electronic journal of combinatorics 12 (2005), #R29 An integral for B(m, s; n, t) Our proof of Theorem 1(b) occupies this section ... Moreover, for all real z, ≤ f (z) ≤ exp −Az + the electronic journal of combinatorics 12 (2005), #R29 Az 12 18 Lemma For all c > 0, π/10 −π/10 exp c(−x2 + x4 ) dx ≤ π/c exp(2/c) Proof of Theorem ... 2)m2 as n → ∞ with bounded m, in accordance with our conjecture Unfortunately, it does not appear that the existing theory of Edgeworth expansions includes error bounds explicit enough that we...

When the Discussion Gets Stalled or Heated

Danh mục: Kỹ năng quản lý

... Keep power in your pocket (e.g. attorney, credible reference) Keep the door open Conflict as a Choice Point  Explore whether conflict is a signal for a change  View the disagreement as a choice point and explore options for moving ... Pause when formulating judgment  Understand what was meant by actions or words  Reflect on information and ask for additional information  Reinterpret by applying an alternate explanation  Redirect conversation toward ... Dismissive – interrupting, talking over, ignoring {men engage more frequently than women} • Exclusionary – leaving someone out of the meeting, discussion or social gathering • Undermining – going behind the back of others or using insults to discredit arguments...

Quagmire or Gold Mine?

Danh mục: Kỹ thuật lập trình

... make digital/hard copy of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage, the ... learns to extract product information from Web vendors [3] Shopbot borrows from ILA the idea of learning by querying with familiar objects However, Shopbot tackles a more ambitious task Shopbot ... the store’s responses In the software shopping domain, Shopbot was given the home pages for 12 online software vendors Shopbot learned to extract product information from each of the stores,...

Ship or Sheep Third Edition

Danh mục: Ngữ pháp tiếng Anh

... lunch for for '-9 {6} 16 untr /ieiman pair Minimal words a A27a Listen and repeat the words azzub You will hear five words from each minimal pair For each word write l for /e/ (sound 1) or for lal ... in th Thiscordwas in the sea short He wa 4/ I_ I ti He was short lt'sasmall H -z!rt It'sa small port fox forks Lookfor the fox -tA \-/' Port *-Z-=jy4:="a Lookfor the forks spot sPort I don'tliketnesespots ... sound Sports reportfrom Radio Station ANNOUNCER: morning Roarers This the football team arrived backfrom yorr LauraShortis our sportsreporter, she was at the airport and LAURA sHoRT:cood morning,...

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Example about Project or Plan in Writing Task 1

Danh mục: Kỹ năng viết tiếng Anh

... in order to reach the two viewing platforms There are now plans to build below the foundations of the tower These plans include the development of five underground levels that will incorporate ... facilities, a cinema and museum and two floors of underground parking Although details have yet to be finalised, the principle is that the five floors will be connected by two vertical passenger ... tower In addition, the floor immediately below the tower, which is planned to house the ticket office, will also consist of a large atrium with a glass ceiling so that visitors can look directly...