Rotation angle

Symbol of rotation angle

xi

besti

f(x) < f(best)

0

0

False

0

0

0

0

0

0

0

True

0

0

0

0

0

0

1

False

+1

−1

0

0

1

True

−1

+1

0

1

0

False

−1

+1

0

1

0

True

+1

−1

0

1

1

False

0

0

0

0

0

1

1

True

0

0

0

0

0