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The article focuses on real life problems which are published in the American journal Mathematics Teacher and which are based on up-to-date news from media. Two topics are presented - and . The former concerns the haeviest and biggest limousine in the world and its different measures and properties. Nine related tasks are formulated. The latter concerns a custom from Cambodia in which monks marry two snakes. This time five short problems are formulated. Results of the tasks are provided.
This paper demonstrates the development of a simple model of carbon flow during plant growth. The model was developed by six undergraduate students and their instructor as a project in a plant ecophysiology course. The paper describes the structure of the model including the equations that were used to implement it in Excel®, the plant growth experiments that were conducted to obtain information for parameterizing and testing the model, model performance, student responses to the modeling project,...
These notes are intended to provide a self-contained introduction to the basic ideas of finite dimensional Batalin-Vilkovisky (BV) formalism and its applications. A brief exposition of super- and graded geometries is also given. The BV–formalism is introduced through an odd Fourier transform and the algebraic aspects of integration theory are stressed. As a main application we consider the perturbation theory for certain finite dimensional integrals within BV-formalism. As an illustration we present...
These past few years, new types of computational architectures based on graphics processors have emerged. These technologies provide important computational resources at low cost and low energy consumption. Lots of developments have been done around GPU and many tools and libraries are now available to implement efficiently softwares on those architectures.This article contains the two contributions of the mini-symposium about GPU organized by Loïc Gouarin (Laboratoire de Mathématiques d’Orsay),...
Pro začátek je zde uvedena definice kreativity v matematice podle Sheffielda. Dále je uvedeno 10 rysů osobnosti kreativního jedince a jak tyto rysy rozvíjet pomocí matematických aktivit. Kromě úloh, které k rozvíjení napomáhají, je zde také stručně popsáno, co se konkrétními rysy přesně myslí. Rysy v tomto článku zmiňované jsou: tolerance vůči dvojznačnosti, stimulační svoboda, funkční svoboda, flexibilita, ochota riskovat, prodleva uspokojení, oproštění od genderového stereotypu, vytrvalost a odvaha....
Jedním z nejpoužívanějších testů statistické významnosti je tzv. Studentův t-test. Autorem matematického modelu, na kterém je tento test založen, je britský statistik William Sealy Gosset (1876-1937). Článek popisuje podstatu a vznik tohoto testu v matematickém a historickém kontextu.
The author presents a proof that when given triangle , point is a foot of a perpendicular from on , and is the middle of , then if angle equals angle , then angle is a right one.