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Geometrical symmetries are characterized by a set of mathematical operations
that can shift a figure but leave it ... If the polygon has n sides, then in the
symmetry operation, rotating the polygon counterclockwise about its centre will
bring the ...
Adaptive control is Adaptive the capability of the system to modify its own
operation control to achieve the best possible ... In this case, operations research
(q.v.), a mathematical technique for evaluating various possible procedures in a
In 1969 alone, 2,307 such operations took place. Between 1955 and 1980, the
top 500 corporations in the United States absorbed some 4,500 smaller
companies. Generally, however, these absorptions have not involved companies
in the ...
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This is the 198215th Edition, in two halves, with the Macropaedia and the Micropaedia. First published in 1768, the publisher is the oldest English-language encyclopedia still in print. Two Scottish ... Read full review