directional derivative

American  

noun

Mathematics.

1. the limit, as a function of several variables moving along a given line from one specified point to another on the line, of the difference in the functional values at the two points divided by the distance between the points.

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Example Sentences

See Examples For:

directional derivative

Another approach to calculating a directional derivative involves partial derivatives, as outlined in the following theorem.

From Textbooks ● Mar. 30, 2016

Figure 4.40 Finding the directional derivative in a given direction u at a given point on a surface.

From Textbooks ● Mar. 30, 2016

Equation 4.36 provides a formal definition of the directional derivative that can be used in many cases to calculate a directional derivative.

From Textbooks ● Mar. 30, 2016

We can calculate the directional derivative of a function of three variables by using the gradient, leading to a formula that is analogous to Equation 4.38.

From Textbooks ● Mar. 30, 2016

Given a point on the surface, the directional derivative can be calculated using the gradient.

From Textbooks ● Mar. 30, 2016

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