Convert patch isosurface to surf

How to convert patch isosurface (triangular mesh) to a regular surf surface (rectangular mesh)?

[DGM]

See also:

https://www.mathworks.com/matlabcentral/answers/396778-how-do-i-convert-my-patch-function-into-a-surface-function

Answer 1

[darova]

Use griddata and meshgrid

[zilorina]

It worked, thanks!

[darova]

Can you accept my answer?