21 research outputs found

    Orthogonalities and functional equations

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    In this survey we show how various notions of orthogonality appear in the theory of functional equations. After introducing some orthogonality relations, we give examples of functional equations postulated for orthogonal vectors only. We show their solutions as well as some applications. Then we discuss the problem of stability of some of them considering various aspects of the problem. In the sequel, we mention the orthogonality equation and the problem of preserving orthogonality. Last, but not least, in addition to presenting results, we state some open problems concerning these topics. Taking into account the big amount of results concerning functional equations postulated for orthogonal vectors which have appeared in the literature during the last decades, we restrict ourselves to the most classical equations

    Orthogonality equation with two unknown functions

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    Marine missile-gun set simulators

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    G艂贸wnym powodem stosowania symulator贸w i trena偶er贸w w procesie szkolenia wojsk jest potrzeba obni偶enia koszt贸w samego szkolenia i zmniejszenia zu偶ycia sprz臋tu bojowego. Nale偶y jednak pami臋ta膰, 偶e sam proces szkolenia, jak r贸wnie偶 urz膮dzenia szkolno-treningowe, stosowane obecnie na szerok膮 skal臋 praktycznie w ka偶dym rodzaju i na ka偶dym poziomie szkolenia, powinny ukazywa膰 dynamik臋 i charakter symulowanych zjawisk oraz stwarza膰 warunki do spe艂nienia wymaga艅 wsp贸艂czesnych dzia艂a艅 na morzu. W artykule przedstawiono demonstrator technologii trena偶era zestawu artyleryjsko-rakietowego ZU-23-2MR Wr贸bel II. Uzyskana zdatno艣膰 trena偶era do odtworzenia warunk贸w bojowych oraz jego cechy funkcjonalne stwarzaj膮 mo偶liwo艣ci do prowadzenia bada艅 w zakresie projektowania i budowy trena偶er贸w, jak r贸wnie偶 organizacji procesu szkolenia celowniczych i operator贸w morskich zestaw贸w rakietowych i artyleryjskich.The main reason for using trainers and simulators in the process of training troops is the necessity to decrease training expenditures and wear out of combat equipment. However, it is important to remember that the process of training as well as training facilities, currently used on a large scale and at every level of training, should reflect the dynamics and nature of the simulated phenomena and should create conditions necessary to meet the requirements in the modern theatre of naval operations. The article presents a set of missile-gun ZU-23-2MR Wr贸bel II trainer. The capability of the trainer to recreate combat conditions as well as its functional properties makes it possible to carry out research on developing trainers and on organizing training processes of crews of the gun-missile sets

    Orthogonalities and functional equations

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