János Karsai

Models of Impulsive Phenomena

Mathematica experiments

 

 Typotex Publishing Company, Budapest

2002

 

Gallery

 

 

                                              

 

Chapter 1.3 Visualization of the path of motions


               

 

 

Chapter 4.3 Modeling scheme for 1D systems

 

 

 

Direction field, impulse field, and solutions of a 1D system:

 

              

 

 

Chapter 4.4 Modeling scheme for 2D systems

 

 

Impulse field and trajectories of a 2D system:

 

                  

 

 

Chapter 5.4 Visualization of general impulses

 

 

Transformations by 1D and 2D  and impulses:

 

                

 

 

Chapter 6.2 Phasemaps of  differential equatios

 

 

 

Phasemaps of a linear system:

 

 

 

Chapter 6.3  Phasemaps of  impulsive systems

 

 

Phasemaps of a nonlinear system:

 

 

Chapter 7.1  Linear systems

 

 

A system with singular impulses:

 

                    

 

 

Chapter 8.3  Stability by linear approximation

 

 

 

 

Chapter 10.3  Experiments for the Liapunov’s method

 

 

 

Direction and impulse fields and contour lines of the Liapunov’s function:

 

         

 

Integral curves:

 

 

 

Chapter 13.4  Impulsive external force in oscillators

 

 

 

 

 

Chapter 13.5  Impulsive relaxations oscillations