ı want to plot he gradients and iso curves of a function

I want plot the gradients and iso-curves of f over some (x1,y1) to (x2,y2)

Answer 1

[Star Strider]

See How to plot gradients ? for a recent example.

[aysu öncü]

ı also need to know how to plot the isocurves of the function

[Star Strider]

That will tell you everything you likely need to know!