I have a function f (x, y) = 0, the program should build its schedule. The user specifies the user. Example function:

f (x, y) = x * y + sin (x + y) / ln (x)

Answer 1, Authority 100%

I suggest Algorithm with one site . Funny schedule is drawn to your feature.

Update:

The proposed algorithm is correct, but too slow. I propose to get acquainted with:

• marching_squares
• Prog more abrupt

Update:

And now the control appait! here It is described by the reliable algorithm of the Jeff Tupper

Answer 2, Authority 33%

If you just need to calculate that: here