This code generates data associated with:
@article{lu2021learning,
title = {Learning nonlinear operators via {DeepONet} based on the universal approximation theorem of operators},
author = {Lu, Lu and Jin, Pengzhan and Pang, Guofei and Zhang, Zhongqiang and Karniadakis, George Em},
journal = {Nature Machine Intelligence},
volume = {3},
number = {3},
pages = {218--229},
year = {2021}
}