Many types of economic problems require that we consider two variables at the same time. A typical example is the relation between price of a commodity and the demand or supply of that commodity. The ...
[Types of Functions of Two Variables](Types%20of%20Functions%20of%20Two%20Variables.md) [Cross Section](Cross%20Section.md) [Calculating Distance](Calculating ...
This paper presents a conceptual analysis for students' images of graphs and their extension to graphs of two-variable functions. We use the conceptual analysis, based on quantitative and ...
Department of Psychological Sciences, Kansas State University, Manhattan, KS, United States The information processing limitations of the human brain make unaided interpretations of large datasets ...
Abstract: The use of virtual reality (VR) in education has recently proven effective in several areas. Here, we study whether the use of mobile VR, involving the use of VR goggles and smartphones and ...
This document describes how to use the function PWL2D_heuristic to build a piecewise linear function approximating a function within a given approximating error. It ...
Microsoft Excel can present two series of data points together on the horizontal axis, but if the number scale for each series dramatically differs, the data will not be readable. Using a two-sided ...
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