Mathematica codes

You need package files to run Mathematica codes below.

package files : Gravity.m Gravity2.m GravityPt.m

You had better to use data files below to save your time. (400MB for each)

data files : XTensor0.m XTensor.m ScalarPt.m

Mathematica codes below.

Section 3 & 5 : ScalarPt.nb ScalarPt2.nb ScalarPt3.nb

Section 4