Athanasios Paraskevopoulos
Hellenic Open University
Athanasios is a Teacher of Mathematics with a proven track record of working in education management. Proficient in Ease of Adaptation, Course Design, and Instructional Technology. Strong education professional with a Bachelor's degree with an emphasis in Mathematics from the University of Aegean. Currently, he is pursuing a Master's degree in Applied Mathematics at the Hellenic Open University, with a specific focus on Ordinary and Partial Differential equations. His enthusiasm lies in the application of mathematical models to real-world contexts, such as epidemiology and population growth.
MATLAB
Spoken Languages:
English
Pronouns:
He/him
Professional Interests:
Mathematics, Numerical Integration and Differential Equations, Partial Differential Equation Toolbox, Stochastic Differential Equation (SDE) Models, Applied Mathematics
Statistica
RANK
2.668
of 300.753
REPUTAZIONE
22
CONTRIBUTI
21 Domande
27 Risposte
ACCETTAZIONE DELLE RISPOSTE
90.48%
VOTI RICEVUTI
2
RANK
16.728 of 21.075
REPUTAZIONE
6
VALUTAZIONE MEDIA
0.00
CONTRIBUTI
6 File
DOWNLOAD
8
ALL TIME DOWNLOAD
59
CONTRIBUTI
0 Post
CONTRIBUTI
0 Pubblico Canali
VALUTAZIONE MEDIA
CONTRIBUTI
25 Punti principali
NUMERO MEDIO DI LIKE
4
Feeds
Nondimensionalizing Length and Temp data from 2-D Ansys Transient thermal in Matlab
The characteristic length scale is 100 µm (or 100 × 10⁻⁶ m). The nondimensional length can be calculated as: where is th...
oltre un anno fa | 0
Risolto
Pizza!
Given a circular pizza with radius z and thickness a, return the pizza's volume. [ z is first input argument.] Non-scored bonus...
oltre un anno fa
Odd and even numbers
You can solve this problem using a loop and an if-else statement to check whether a number is odd or even. % Define the range o...
oltre un anno fa | 0
Domanda
Solving Duffing Equation with the new framework for ODEs
I solved the duffing equation using the new framework for ODEs. Below is the code. It works fine and plots as expected. Howeve...
oltre un anno fa | 1 risposta | 1
1
rispostaDiscussion
Duffing equation : Transition to Chaos
Following on from my previous post The Non-Chaotic Duffing Equation, now we will study the chaotic behaviour of the Duffing Equa...
oltre un anno fa | 4
Domanda
Duffing equation:Transition to Chaos
The Original Equation is the following: Let . This implies that Then we rewrite it as a System of First-Order Equations Us...
oltre un anno fa | 1 risposta | 0
1
rispostaDiscussion
The Non-Chaotic Duffing Equation
Studying the attached document Duffing Equation from the University of Colorado, I noticed that there is an analysis of The Non-...
oltre un anno fa | 5
Discussion
Strange attractors
An attractor is called strange if it has a fractal structure, that is if it has non-integer Hausdorff dimension. This is often t...
oltre un anno fa | 9
Domanda
Lorenz Attractor Animation with Frame-by-Frame Plotting
I was trying to create an animation of Lorenz Attractor. I used the following code but it did not give me the result I want l...
oltre un anno fa | 1 risposta | 0
1
rispostaDiscussion
Dynamics of predator-prey model
This project discusses predator-prey system, particularly the Lotka-Volterra equations,which model the interaction between two s...
oltre un anno fa | 4
Discussion
Looking for Beginner Courses on Drone Programming
Hi everyone, I've recently joined a forest protection team in Greece, where we use drones for various tasks. This has spark...
oltre un anno fa | 1
Discussion
Gabriel's Horn
Gabriel's horn is a shape with the paradoxical property that it has infinite surface area, but a finite volume. Gabriel’s hor...
oltre un anno fa | 4
Domanda
Representation of Gabriel's Horn
By reading the following very interesting paper An Understanding of a Solid with Finite Volume and Infinite Surface Area. ...
oltre un anno fa | 1 risposta | 0
1
rispostaDiscussion
Stochastic simulation of a novel pathogen
We are modeling the introduction of a novel pathogen into a completely susceptible population. In the cells below, I have provid...
oltre un anno fa | 3
nonlinear dynamics(Measure synchronization)
Let's first correct and complete the provided code. We need to make sure that the equations, integration, and plot functions are...
oltre un anno fa | 0
How to take input values from users symbolically while running a code?
I think this is what you asked for % Function to generate rotation matrix rot_matrix = @(axis, theta) cos(theta) * eye(3) + .....
oltre un anno fa | 0
Plotting the Evolution of Spatially Localized Initial Conditions for Discrete Klein-Gordon Equation
% Parameters L = 200; % Length of the system K = 99; % Number of spatial points omega_d = 1; % Characteristic frequency b...
oltre un anno fa | 0
| accettato
Discussion
Discovering an Excellent Resource on Ordinary Differential Equations
While searching the internet for some books on ordinary differential equations, I came across a link that I believe is very usef...
oltre un anno fa | 6
Discussion
Numerical Simulation of the Discrete Klein-Gordon Equation: A Study on Damped, Driven Nonlinear Wave Systems with Spatially Extended Initial Conditions
The study of the dynamics of the discrete Klein - Gordon equation (DKG) with friction is given by the equation : In the abov...
oltre un anno fa | 2
Domanda
Plotting the Evolution of Spatially Localized Initial Conditions for Discrete Klein-Gordon Equation
Ιn continuation of the study with which I have been fascinated Numerical Simulation of a Damped, Driven Nonlinear Wave System wi...
oltre un anno fa | 1 risposta | 0
1
rispostaPlot legend goes behing plot axes when using tiledlayout
The issue you are experiencing with legends disappearing behind the axes when moved in a tiledlayout can be addressed by setting...
oltre un anno fa | 0
Crank-Nicholson method
The main issue with your code is in the line where you solve the linear system A⋅unew=b. The correct approach is to solve for 𝑢...
oltre un anno fa | 0
Numerical Simulation of a Damped, Driven Nonlinear Wave System with Spatially Extended Initial Conditions
I found it i should remove the discretization parameter because in the following. I understood that @William Rose Thank yo...
oltre un anno fa | 0
| accettato
Domanda
Plotting Phase Portrait of Duffing Equation
I study a paper that describes a stationary problem where the function satisfies the boundary conditions and is governed by a m...
oltre un anno fa | 1 risposta | 1
1
rispostaDomanda
Numerical Simulation of a Damped, Driven Nonlinear Wave System with Spatially Extended Initial Conditions
The study of the dynamics of the discrete Klein - Gordon equation (DKG) with friction is given by the equation : In the abov...
oltre un anno fa | 1 risposta | 0
1
rispostaAyers 'Differential Equations Problem 4
syms x y(x) C % Define the differential equation dy_dx = diff(y, x); ode = 4*x*dy_dx^2 + 2*x*dy_dx - y == 0; % Solve the...
oltre un anno fa | 0
plot of riemann surface
To plot a complete Riemann surface for the function, you need to consider the nature of the complex square root function and how...
oltre un anno fa | 0
| accettato
Custom colorbar labeling centered on colors
I tried the folowing code! It is similar with your second graph, but I could replicate the arrows correct. You can edit the cod...
oltre un anno fa | 0
fitcdiscr bug: Why does "ClassNames" now have to be provided in alphanumerical order otherwise accuracy is terrible?
Code with Issue: load fisheriris Mdl = fitcdiscr(meas, species, "ClassNames", flip(unique(species, "stable")), "KFold", 10); ...
oltre un anno fa | 0
plotting the bifurcation diagram of Duffing oscillations in the (x1, omega) plane?
function dx = duffing(t, x) global alpha delta beta F omega dx = [x(2); -delta * x(2) - alpha * x(1) - beta...
oltre un anno fa | 0
