Question

what is gradient?

Answer 1

well is simply the slope

Answer 2

can u say some applications of that?

Answer 3

it's the direction in which the function increase is biggest

Answer 4

Agree with myko. Slope isn't descriptive enough.

Answer 5

An example would be if you had a distribution of temperature in a room. Say you're a fly at a certain point in the room, and you're trying to fly in the direction where the increase/decrease in temperature is the greatest. This situation would be determined by the gradient.