balanced incomplete block design

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balanced incomplete block design

[¦bal·ənst ‚iŋ·kəm‚plēt ′bläk di‚zīn]
(mathematics)
For positive integers b, ν, r, k, and λ, an arrangement of ν elements into b subsets or blocks so that each block contains exactly k distinct elements, each element occurs in r blocks, and every combination of two elements occurs together in exactly λ blocks. Also known as (b,ν, r, k,λ)-design.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
The robust, water-cooled master block design of the Superscan IV-15 Wafer enables applications at up to 2kW laser power when quartz mirrors are used.
Developed for large-scale utility plants, the product also offers a high DC/AC ratio of 1.5 and flexible 6.25MW or 12.5MW block design.
Caption: The falling block design can be seen today in the Beretta and Taurus 92 series pistols.
Also, trademarks of ICE and/or its affiliates include Intercontinental Exchange, ICE, ICE block design, NYSE and New York Stock Exchange that operates a global network of exchanges and clearing houses and provides global data and listing services.
The following tests of this battery were used for this study; Clock Drawing Test, Rey-Osterrieth Complex Figure Test (ROCF) copy task [25], Block Design Test [26], and verbal Digit Span forward [27].
Based on the analysis of numerous wheelsets designs the authors have proposed new technical solution of wheelset in which the wheels have a block design (Fig.
Councillors gave a warm welcome to the designs for the city centre office block design, which has also been likened to a cheese grater, saying they prefer it to unremarkable glass towers favoured by some developers.
Empirical Machine is your source for custom test block design and fabrication, prototyping, and small-batch manufacturing.
The ZX190W-5 (43,880 pounds) and ZX230W-5 (51,310 pounds) are powered by a 159-hp, 5.2-liter Isuzu IT4 engine that uses a rudder frame block design with dry cylinder liners.
Along with providing increased wear performance and longevity in service, they have a unique modular block design that allows an installation time of less than 30 minutes per block.
Trademarks of ICE and/or its affiliates include IntercontinentalExchange, ICE, ICE block design, NYSE Euronext, NYSE, New York Stock Exchange, LIFFE and Euronext.