Depending on what kind of 2d: https://www.chebfun.org/docs/guide/guide12.html https://www.chebfun.org/docs/guide/guide12.html or https://www.chebfun.org/docs/g

Depending on what kind of 2d: https://www.chebfun.org/docs/guide/guide12.html https://www.chebfun.org/docs/guide/guide12.html or https://www.chebfun.org/docs/guide/guide16.html https://www.chebfun.org/docs/guide/guide16.html