Halvorsen chaotic attractor
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main.cpp
00001 #include "TFT_4DGL.h" 00002 00003 TFT_4DGL lcd(p9,p10,p11); 00004 00005 int main() { 00006 00007 double x1,y1,z1,x,y,z,t,dt; 00008 int xp,yp; 00009 00010 float a = 1.4; 00011 00012 x1 = -5; 00013 y1 = 0; 00014 z1 = 0; 00015 00016 dt = 0.005; 00017 00018 while(1) 00019 00020 { 00021 00022 x = x1+(-a*x1-4*y1-4*z1-pow(y1,2))*dt; 00023 y = y1+(-a*y1-4*z1-4*x1-pow(z1,2))*dt; 00024 z = z1+(-a*z1-4*x1-4*y1-pow(x1,2))*dt; 00025 t = t+dt; 00026 00027 xp = 210+(int)floor(13*x); 00028 yp = 155+(int)floor(9*y); 00029 00030 lcd.pixel(yp,xp,WHITE); 00031 00032 x1 = x; 00033 y1 = y; 00034 z1 = z; 00035 00036 } 00037 00038 }
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Kamil Ondrousek