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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Assessment of existing test procedures used in the production of goods vibropressed linked to the real properties of products
 Maňák, Jan ; Eger, Lukáš (referee) ; Hubáček, Adam (advisor)
This master´s thesis is focused on assessment of properties of vibropressed concrete products. The important point of the thesis is measuring fresh concrete air permeability by Qaver control tool and confrontation this results with results of hardened concrete. The relationship between results obtained is examined.
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Interval data and sample variance: computational aspects
 Sokol, Ondřej ; Černý, Michal (advisor) ; Rada, Miroslav (referee)
This thesis deals with the calculation of the upper limit of the sample variance when the exact data are not known but intervals which certainly contain them are available. Generally, finding the upper limit of the sample variance knowing only interval data is an NP-hard problem, but under certain conditions imposed on the input data an appropriate efficient algorithm can be used. In this work algorithms were modified so that, even at the cost of exponential complexity, one can always find the optimal solution. The goal of this thesis is to compare selected algorithms for calculating the upper limit of sample variance over interval data from the perspective of the average computational complexity on the generated data. Using simulations it is shown that if the data meets certain conditions, the complexity of the average case is polynomial.
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