
Vector fields, introduction (video) | Khan Academy
Vector fields let you visualize a function with a two-dimensional input and a two-dimensional output. You end up with, well, a field of vectors sitting at various points in two-dimensional space.
Vector fields - Khan Academy
Vector fields represent fluid flow (among many other things). They also offer a way to visualize functions whose input space and output space have the same dimension.
Gradient and contour maps (video) | Khan Academy
Explore the concepts of gradient and contour maps in multivariable calculus with this educational video tutorial.
Divergence (article) | Khan Academy
Interpret a vector field as representing a fluid flow. The divergence is an operator, which takes in the vector-valued function defining this vector field, and outputs a scalar-valued function …
3d vector field example (video) | Khan Academy
See an example of how you can start to understand how the formula for a three-dimensional vector field relates to the way it looks.
Formal definition of curl in two dimensions - Khan Academy
One more feature of conservative vector fields Background: Conservative vector fields If F (x, y) is a conservative vector field, all line integrals over closed loops are 0 . Looking at the integral …
3d curl intuition, part 1 (video) | Curl | Khan Academy
Because this, this is a scale of valued quantity and yet the vector field that I'm showing, with all these blue vectors indicating rotation, these are vectors. And because the rotation is …
The gradient vector | Multivariable calculus (article) - Khan Academy
The gradient stores all the partial derivative information of a multivariable function. But it's more than a mere storage device, it has several wonderful interpretations and many, many uses.
Gradient and graphs (video) | Khan Academy
Not vector fields in general, but gradient fields, and then again, only scalar-valued functions have gradient fields and the gradient usually doesn't directly give the slope (see the videos on …
Fluid flow and vector fields (video) | Khan Academy
A neat way to interpret a vector field is to imagine that it represents some kind of fluid flow.