Numerical data for scattering amplitudes of photon in d=4.

Numerical data for scattering amplitudes of photons in d=4 obtained by solving various optimisation problems. The data is stored in .txt files. Mathematica notebook is provided for loading and plotting the data.本数据集包含通过求解各类优化问题所获得的四维（d=4）空间内光子散射振幅的数值数据。所有数据以纯文本（.txt）格式存储，同时附带用于加载及绘制该数据的Mathematica笔记本文件。