A B C D E |
string math       proof click = center and magnify by 10; left = move left one fourth right = move right one fourth up = move up one fourth down = move down one fourth space = add level minus- = remove level |
//___________________________________________ function isin(x,y) { var xo = x; var yo = y; for (var i = 0; i < max; i++) { var xx = Math.pow(Math.abs(x),D) * A - Math.pow(Math.abs(y),D) * B; var yy = 2 * x * y * C; x = xx + xo; y = yy + yo; if (x * x + y * y > E) return(i); } return(max); } //_____________________________________________