【Python】EEG（脳波）をカオス時系列解析、takensの埋め込み定理「序章」

Processingでローレンツアトラクタ (Lorenz Attractor)を描写

float x = -4.0; 
float y = 4.0;
float z = 27.0;
float a = 10.0;
float b = 28.0;
float c = 8.0 / 3.0;
float t = 0.003; 

float camX = 400;
float camY = -400;
float camZ = 500;

void setup() { /* 略 */ }

void draw() {

  /* 略 */
  
  float xt = x + t * a * (y - x);
  float yt = y + t * (x * (b - z) - y);
  float zt = z + t * (x * y - c * z);
  
  stroke(0, 128, 128);
  strokeWeight(2);
  point(xt * 10, yt * 10, zt * 10);
  
  x = xt;
  y = yt;
  z = zt;
  
  // saveFrame("frames/######.tif");
}