Results 11 to 20 of about 701,026 (330)

A Study on the Range Equation Modeling for Multichannel Medium-Earth-Orbit SAR-GMTI Systems

Remote Sensing, 2021
This paper studies the range equation modeling of a ground moving target for multichannel medium-Earth-orbit (MEO) synthetic aperture radar (SAR) ground moving target indication (GMTI), an issue which is challenging to tackle due to the non-linear motion
Yongkang Li, Tong Wang, Tianyu Huo, Laisen Nie   +3 more
doaj   +1 more source

The Application of Android-based GeoGebra on Quadratic Equations Material toward Mathematical Creative Thinking ability

Al-Jabar, 2020
Students' low creative thinking skills and difficulty in drawing graphs from the given algebraic equations are the background of this study. The purpose of this study was to determine the mathematical creative thinking abilities between Android-based ...
Ari Septian, Rani Sugiarni, Erma Monariska   +2 more
doaj   +1 more source

A nonlinear Bismut-Elworthy formula for HJB equations with quadratic Hamiltonian in Banach spaces [PDF]

, 2019
We consider a Backward Stochastic Differential Equation (BSDE for short) in a Markovian framework for the pair of processes $(Y,Z)$, with generator with quadratic growth with respect to $Z$.
Addona, Davide, Bandini, Elena, Masiero, Federica   +2 more
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Chandrasekhar quadratic and cubic integral equations via Volterra-Stieltjes quadratic integral equation

Demonstratio Mathematica, 2021
In this work, we study the existence of one and exactly one solution x∈C[0,1]x\in C\left[0,1], for a delay quadratic integral equation of Volterra-Stieltjes type.
El-Sayed Ahmed M. A., Omar Yasmin M. Y.
doaj   +1 more source

A Generalization of the Hopf-Cole Transformation [PDF]

, 2012
A generalization of the Hopf-Cole transformation and its relation to the Burgers equation of integer order and the diffusion equation with quadratic nonlinearity are discussed. The explicit form of a particular analytical solution is presented.
Miskinis, Paulius
core   +2 more sources

Quadratic Liénard Equations with Quadratic Damping

Journal of Differential Equations, 1997
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Dumortier, Freddy, Li, C.
openaire   +3 more sources

On Polynomial Solutions of Pell’s Equation

Journal of Mathematics, 2021
Polynomial Pell’s equation is x2−Dy2=±1, where D is a quadratic polynomial with integer coefficients and the solutions X,Y must be quadratic polynomials with integer coefficients. Let D=a2x2+a1x+a0 be a polynomial in Zx.
Hasan Sankari, Ahmad Abdo
doaj   +1 more source

Stability and improved physical characteristics of relativistic compact objects arising from the quadratic term in $$p_r = \alpha \rho ^2 + \beta \rho - \gamma $$ p r = α ρ 2 + β ρ - γ

European Physical Journal C: Particles and Fields, 2021
We investigate the stability and enhancement of the physical characteristics of compact, relativistic objects which follow a quadratic equation of state. To achieve this, we make use of the Vaidya–Tikekar metric potential.
S. Thirukkanesh, Robert S. Bogadi, Megandhren Govender, Sibusiso Moyo   +3 more
doaj   +1 more source

Chapman-Enskog expansion of the Boltzmann equation and its diagrammatic interpretation [PDF]

, 2001
We perform a Chapman-Enskog expansion of the Boltzmann equation keeping up to quadratic contributions. We obtain a generalized nonlinear Kubo formula, and a set of integral equations which resum ladder and extended ladder diagrams. We show that these two
Carrington, M. E., Defu, Hou, Kobes, R.
core   +3 more sources

A NOVEL CONCEPT: THE SOLUTION OF ANY QUADRATIC EQUATION IN ONE UNKNOWN QUANTITY IN REAL NUMBERS [PDF]

Journal of Mechanics of Continua and Mathematical Sciences
Conventionally the solution of any quadratic equation in one unknown quantity (say x) is represented in real or complex numbers. Instead of finding the solution of any quadratic equation in one unknown in complex numbers, the author introduced ...
Prabir Chandra Bhattacharyya
doaj   +1 more source