-
https://en.wikipedia.org/wiki/Multivariate_normal_distribution#Conditional_distributions
-
3D plotting -
- https://matplotlib.org/1.5.0/mpl_toolkits/mplot3d/tutorial.htmls
- https://jakevdp.github.io/PythonDataScienceHandbook/04.12-three-dimensional-plotting.html
- https://stackoverflow.com/questions/36013063/what-is-the-purpose-of-meshgrid-in-python-numpy
- https://www.geeksforgeeks.org/numpy-meshgrid-function/