leapfrog

1.5e−2

1.5e−2

2.3e−1

LMM

5.7e−2

3.3e−1

7.3e−1

LMM

1.4e−2

1.5e−2

2.2e−1

M4

2.8e−3

2.8e−2

2.5e−1