Kamil Ondrousek
/
2D-VanDerPol
Van der Pol limit cycle - 2D nonlinear attractor
Diff: main.cpp
- Revision:
- 0:964911ed238a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Wed Feb 09 22:35:32 2011 +0000 @@ -0,0 +1,41 @@ +#include "TFT_4DGL.h" + +TFT_4DGL lcd(p9,p10,p11); + +int main() { + + int xp,yp; + + int n = WHITE; + + float x,y,xn,yn; + + float dt = 0.314; + + float x1 = 0.01; + float y1 = 0.01; + + x = x1; + y = y1; + + while(1) + + { + + xn = y1; + yn = (1-(x1*x1))*y1-x1; + + x = x+xn*dt; + y = y+yn*dt; + + xp = (int)floor(x*50); + yp = (int)floor(y*35); + + lcd.pixel(120+yp,160+xp,n); + + x1 = x; + y1 = y; + + } + +} \ No newline at end of file