“gradient”在英语中的释义

noun

1. A slope or incline.

2. A rate of inclination or declination of a slope.

3. (calculus, of a function) The ratio of the rates of change of a dependent variable and an independent variable, the slope of a curve's tangent.

4. (sciences) The rate at which a physical quantity increases or decreases relative to change in a given variable, especially distance.

5. (calculus) A differential operator that maps each point of a scalar field to a vector pointed in the direction of the greatest rate of change of the scalar. Notation for a scalar field φ: ∇φ

6. A gradual change in color; a color gradient; gradation.

adjective

1. Moving by steps; walking.

2. Rising or descending by regular degrees of inclination.

   • the gradient line of a railroad

3. Adapted for walking, as the feet of certain birds.