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Что (кто) такое average gradient - определение

4-gradient; Four gradient; 4 gradient

Gradient

MULTI-VARIABLE GENERALIZATION OF THE DERIVATIVE

Gradient vector; Gradients; Gradient (calculus); Gradient of a scalar; Gradient Operator; Grad operator

·adj Moving by steps; walking; as, gradient automata.

II. Gradient ·adj Adapted for walking, as the feet of certain birds.

III. Gradient ·noun The rate of regular or graded ascent or descent in a road; grade.

IV. Gradient ·noun A part of a road which slopes upward or downward; a portion of a way not level; a grade.

V. Gradient ·adj Rising or descending by regular degrees of inclination; as, the gradient line of a railroad.

VI. Gradient ·noun The rate of increase or decrease of a variable magnitude, or the curve which represents it; as, a thermometric gradient.

gradient

MULTI-VARIABLE GENERALIZATION OF THE DERIVATIVE

Gradient vector; Gradients; Gradient (calculus); Gradient of a scalar; Gradient Operator; Grad operator

['gre?d??nt]

¦ noun

1. a sloping part of a road or railway.

the degree of such a slope, expressed as change of height divided by distance travelled.

Mathematics the degree of steepness of a graph.

2. Physics a change in the magnitude of a property (e.g. temperature) observed in passing from one point or moment to another.

Origin

C19: from grade, on the pattern of salient.

gradient

MULTI-VARIABLE GENERALIZATION OF THE DERIVATIVE

Gradient vector; Gradients; Gradient (calculus); Gradient of a scalar; Gradient Operator; Grad operator

n.

Grade, rate of ascent or of descent.

Википедия

Four-gradient

In differential geometry, the four-gradient (or 4-gradient) ${\boldsymbol {\partial }}$ is the four-vector analogue of the gradient ${\vec {\boldsymbol {\nabla }}}$ from vector calculus.

In special relativity and in quantum mechanics, the four-gradient is used to define the properties and relations between the various physical four-vectors and tensors.

https://en.wikipedia.org/wiki/Four-gradient

Примеры употребления для average gradient

1. It has an average gradient of '.8 percent with some sections at 15 percent.

2. The climb to the summit is 16.'km long and has an average gradient of 7.5 percent.

3. The Col de Grosse Pierre, which lasts for two miles, has an average gradient of 6.4 percent.

4. I discovered that though the average gradient was only 3.1 percent, that figure masked some nasty little walls.

5. Menchov (Rabobank), Leipheimer (Gerolsteiner) and Landis (Phonak) were among the first group of eight riders to reach the 7.5–km slope which has an average gradient of 5.5 percent.