# Gradient facts for kids

For other uses, see Gradient (disambiguation).

In vector calculus, the **gradient** of a multivariate function measures how steep a curve is. On a graph of the function, it is the slope of the tangent of that curve. More generally, it is a vector that points in the direction in which the function grows the fastest. Its coordinates are partial derivatives of that function. The gradient of a function *f* is often written as or .

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Gradient Facts for Kids. *Kiddle Encyclopedia.*