If you're seeing this message, it means we're having trouble loading external resources on our website.

If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.

Main content

Symbols practice: The gradient


Let f be a 3D scalar field.
Is the expression start text, c, u, r, l, end text, left parenthesis, del, f, right parenthesis a scalar field, a vector field, or undefined?
Choose 1 answer: