broyden: |gx|<acc
broyden: |Dx|<EPS*|x|
expansion
expansion
reflection
reflection
contraction
contraction
contraction
reflection
contraction
contraction
contraction
contraction
reflection
contraction
reflection
contraction
expansion
contraction
expansion
reflection
expansion
reflection
reflection
expansion
reflection
reflection
contraction
reflection
reflection
reflection
contraction
reflection
expansion
reflection
reflection
contraction
expansion
reflection
reflection
reflection
expansion
contraction
reflection
reflection
reflection
contraction
contraction
contraction
expansion
contraction
expansion
reflection
expansion
reflection
reflection
contraction
contraction
reflection
contraction
contraction
reflection
contraction
reflection
contraction
reflection
contraction
reflection
contraction
contraction
reflection
contraction
contraction
contraction
reflection
contraction
contraction
reflection
contraction
contraction