Results 281 to 290 of about 6,262,353 (337)

On the Mathematical Structure of Thermodynamics with Internal Variables

Journal of Non-Equilibrium Thermodynamics, 2001
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
CIMMELLI V. A., ROGOLINO, Patrizia
openaire   +4 more sources

Latent variable models: an introduction to factor, path, and structural analysis

, 1986
This text provides an introduction to a growing area in the social and behavioural sciences - the modelling of systems in which one or more variables are hypothesized but not directly observed.
J. Loehlin
semanticscholar   +1 more source

Variable Exponent, Linear Growth Functionals in Image Restoration

SIAM Journal on Applied Mathematics, 2006
We study a functional with variable exponent, $1\leq p(x)\leq 2$, which provides a model for image denoising, enhancement, and restoration. The diffusion resulting from the proposed model is a combination of total variation (TV)-based regularization and ...
Yunmei Chen, Stacey Levine, M. Rao
semanticscholar   +1 more source

Elements of Mathematics Functions of a Real Variable

2004
Nicolas Bourbaki, Philip Spain
openaire   +3 more sources

The relationship between mathematics preparation and conceptual learning gains in physics: A possible “hidden variable” in diagnostic pretest scores

, 2002
There have been many investigations into the factors that underlie variations in individual student performance in college physics courses. Numerous studies report a positive correlation between students’ mathematical skills and their exam grades in ...
D. Meltzer
semanticscholar   +1 more source

A mathematical model of OECTs with variable internal geometry

Sensors and Actuators A: Physical, 2020
Organic Electrochemical Transistor (OECTs) are devices that can measure the ionic content of liquid samples and biological systems. The response of an OECT can provide information on the physiological conditions and characteristics of a biological system.
Gentile F, Vurro F, Picelli F, Bettelli M, Zappettini A, Coppede N   +5 more
openaire   +4 more sources

Variables in Mathematics Education [PDF]

, 2011
This paper suggests that consistently referring to variables as placeholders is an effective countermeasure for addressing a number of the difficulties students' encounter in learning mathematics. The suggestion is supported by examples discussing ways in which variables are used to express unknown quantities, define functions and express other ...
openaire   +1 more source

Calculus on Manifolds

Lectures on the Geometry of Manifolds, 2020
Description: The three higher-dimensional versions of the fundamental theorem of calculus – Green's theorem, the divergence theorem, and Stokes' theorem – that one encounters in a typical multi-variable calculus course have two paradoxical ...

semanticscholar   +1 more source

The Metaphysics and Mathematics of Arbitrary Objects

, 2019
Building on the seminal work of Kit Fine in the 1980s, Leon Horsten here develops a new theory of arbitrary entities. He connects this theory to issues and debates in metaphysics, logic, and contemporary philosophy of mathematics, investigating the ...
L. Horsten
semanticscholar   +1 more source

Self-Efficacy, Motivation Constructs, and Mathematics Performance of Entering Middle School Students.

Contemporary Educational Psychology, 1999
The objectives of this study were to determine the influence of various motivation variables on task-specific mathematics performance and to explore whether these variables change during the first year of middle school (N = 273).
Frank Pajares, Laura R. Graham
semanticscholar   +1 more source